Sip test
Author: m | 2025-04-24
SIP ATA Interoperability Test Case SIP Compliance and Interoperability SIP End to End Performance Metrics SIP Infrastructure Performance Testing SIP Interop Test Description SIP Performance Benchmarking SIP Registration Stress Test SIP Robustness Testing for Large-Scale Use SIP Server Security with TLS: Relative Performance Evaluation SIP SIP testing . Introduction to SIP testing; SIP; SIP server response codes; Previous Next
SIP testing – SIP Supply Blog
And messenger - Multiplatform - Open Source (also supports XMPP, MSN, AIM, Yahoo! and others).SipToSis from mhspot.com Skype SIP UA - Multiplatform - Open SourcesipXezPhone ("sipX easy phone") from SIPfoundry based on sipXtapisipXphone from SIPfoundry, previously known as the Pingtel phoneVMukti (formerly 1videoConference) alpha: a web2.0 VoIP video conferencing software for Asterisk.wxCommunicator Windows softphone based on sipXtapi and wxWidgets 2.8.x, multi-account, conferencing, NAT supportYateClient is multiprotocol and multiplatform softphone with H.323, SIP,Jingle and IAX support.SIP toolsCallflow: Generates SIP Call Flow diagramsmiTester for SIP: SIP testing tool; Automates test execution.Open Source Asterisk AMI: Open Source Asterisk AMI interface applicationpjsip-perf: SIP transaction and call performance measurement toolPROTOS Test-Suite: SIP Testing toolsSFTF: SIP Forum Test Framework - a SIP UA test suite primarily targeted at UA software developers hosted by SIPfoundrySIP-CallerID: SIP Caller ID retrieval and lookupSIPbomber: SIP proxy testing toolSIP SIMPLE Command Line Tools for SIP sessions (complete console based SIP UA) and SIMPLE Presence (Publish, Subscribe, Notify) and XCAP document manipulationSipp: SIP performance testerSipper: SIPr (called Sipper) is an open source and a comprehensive SIP application testing framework. Generate any call flow in minutes.SIP Proxy: SIP security testing tool.Sipsak: SIP testing toolSIP Soft client: Software development kit for SIP SoftphoneSIPVicious tool suite: tools for auditing SIP devicesSMAP: Locating and fingerprinting remote SIP devicesVovida.org load balancer: SIP Load BalancerSIP Protocol Stacks and LibrariesAloha Spring based J2SE SIP A/S which leverages optimistic concurrent model and supports multiple persistence modelseXosip - eXtended osip libraryJuphoon SIP Stack Rich software SDK support SIP, SDP, XML, RTP/RTCP, HTTP, STUN, ABNF etc. Support Windows, Linux, ThreadX, Vxworks etc.libdissipate SIP stackminisip includes a SIP stackMjSip - complete and powerful java-based SIP library for both J2SE and J2ME platforms.MSRP Library - MSRP protocol (RFC4975) and its relay extension (RFC4976) written in PythonNIST SIP Various SIP appications and tools in JavaOpen Sip Stack MPL licensed SIP stack with ENUM, Presence (XMPP/SIMPLE) and NAT traversal. Reference implementation of Session Border Controller (OpenSBC) available.oSIP Library SIP LibraryOSP client protocol stack and SIPfoundryPhClickDial - Verona based Active/X plugin for IE allowing ClickToDial functionallityPJSIP: Small footprint, high performance, and ultra-portable SIP stack written in C,
Audio testing download - StarTrinity SIP Tester - SIP/VoIP testing
A STUN request to the STUN Server on IP A, but now expects an answer back from the STUN Server from IP B.In my screenshots you can clearly see this. In your screenshot, you see 3CX sending 3 request but none coming back.So, from what I can tell, Firewall Checker is correct.[EDIT]Ignore the fact that the STUN Server IPs might be different in your case, we have multiple around the world and different ones are used depending on location... #6 Hello, and thanks once again, I'm also suspecting the SIP ALG on our Sophos XG firewall. Firewall Checker keeps on failing with detecting SIP ALG!!!!!! even though we have disabled it following the steps below: Anyone with Sophos firewall, are these the only steps needed to disable SIP ALG on the Sophos firewall? #7 I think the issue here is not so much that there exists an enabled SIP ALG but that the 3CX PBX is not receiving any replies for the SIP ALG test, that is why the SIP ALG just says "failed" as opposed to "detected". You can also see this from the packet capture as a response to the SIP INVITE sent by the 3CX PBX is never received.Same goes for the SIP PORT 5060 test, the first test for PORT 5060 that does not require a port or ip change passes, however the second test that requires these to change fails as a response is never received by the PBX. That is the reason it reads "Full cone test failed" as opposed to just "failed".That said I think you should check the firewall in order to determine if this traffic is indeed reaching it, and if yes, figure out why it is dropping it or not forwarding it to the correct destination. #8 I think the issue here is not so much that there exists an enabled SIP ALG but that the 3CX PBX is not receiving any replies for the SIP ALG test, that is why the SIP ALG just says "failed" as opposed to "detected". You can also see this from the packet capture as a response to the SIP INVITE sent by the 3CX PBX is never received.Same goes for the SIP PORT 5060 test, the first test for PORT 5060 that does not require a port or ip change passes, however the second test that requires these to change fails as asipgate/sip-test: Simple suite for basic sip tests - GitHub
Sample CallXML Scripts for StarTrinity SIP Tester The scripts should be copied from this page into SIP Tester -> Outgoing calls simulation -> XML tab, into root element, replacing previous code. Generation of random outgoing calls This is a script for stress testing call centers, PBX systems, outbound dialers with SIP Tester. It generates calls with specified prefix, random caller ID (A number) and called ID (B number). Destination SIP URI is localhost:5061, it has to be replaced with actual URI. Registering range of IP PBX extensions and making calls between them Reading IP PBX extensions, registering and making calls between them Specifying custom SIP headers and SDP attributes You can add custom SIP headers by setting attribute "headers", also add SDP attributes by setting attribute "sdpAttributes". This could be helpful for testing ED-137 SIP applications. headers="Subject=radio|Priority=normal|WG67-Version=radio.01" sdpAttributes="R2S-KeepAlivePeriod:200|R2S-KeepAliveMultiplier:10|sigtime:1" /> Test IVR menu 1 The script reads caller ID, called ID and DTMF sequence from CSV file, creates a call and sends DTMF digits to destination. Test IVR menu 2 Another script example simulates several DTMF keys and records audio into WAV file. Recording contains both debugging prompts with synthesised speech and audio from tested IVR. Test IVR menu 3 (dead air + recording) The script makes call to a number, waits for IVR playback. If there is silence (dead air), it sends an alert email (settings MailSender***). Minimal interval between emails is 5 minutes (sending emails is limited to avoid too many emails). All calls are recorded to WAV files.. SIP ATA Interoperability Test Case SIP Compliance and Interoperability SIP End to End Performance Metrics SIP Infrastructure Performance Testing SIP Interop Test Description SIP Performance Benchmarking SIP Registration Stress Test SIP Robustness Testing for Large-Scale Use SIP Server Security with TLS: Relative Performance Evaluation SIP SIP testing . Introduction to SIP testing; SIP; SIP server response codes; Previous NextTopology of the SIP test network.
Software architecture Basic steps for active testing Basic steps for passive testing (monitoring) or VoIP recording Installation Main window UAC registrations UAS registrations Outgoing SIP calls Incoming SIP calls Current calls report: SIP information Current calls report: RTP information Call Detail Record (CDR) report Lowest quality calls Reports/Statistics Performance chart Stepwise testing Manual tests Impairments generation Settings Log License information Command line interface Web API Web API: UAC registrations Web API: Jobs Screen videos, training sessions Configuring SIP Tester with Cisco Unified Call Manager (CUCM) Report unclarityBasic steps for active testing Basic steps to run a simple active SIP stress test using graphical user interface (GUI) are: Install winpcap .NET Framework 4.5 and SIP Tester Configure UAC registrations Configure outgoing call stress parameters Configure CallXML scripts (test scenarios) via GUI or XML (optional) Configure audio files for playback and/or IVR audio verification, configure other settings Run a test (optional) If you make calls via internet, simultaneously run internet latency test, continuous speed test and VoIP readiness test to double-check internet connection Watch measured VoIP quality indicators in real time: Current calls - SIP indicators Current calls - RTP indicators Reports and statistics like "max jitter", "max packet loss" per call, etc. CDR report History charts (optional) configure email alerts and reports for call capacity overloads or call quality drops on settings screen (optional) listen to recorded audio files, or export results into .pcap files Alternatively you can use command line interface (CLI) with .bat scripts or windows service mode (StarTrinity.SIPTester.Service.install.bat) with Web API to run automated tests Basic steps for passive testing (monitoring) or VoIP recording In passive mode SIP Tester monitors all UDP packets on all network adapters like wireshark. It tries to interpret packets as SIP and RTP. There is no UDP port filter. To monitor SIP callsSIP Testing with Spectra2 - recursosvoip.com
The IVR playback delays are saved to CDR in a custom field Test audio quality (PESQ MOS) in a conference server The conference server should be tested by 2 separate instances of SIP Tester. They can run on the same server on different SIP ports ("LocalSIPPort" setting). The first instance simulates call load of about 30 concurrent calls, it plays silence to the conference. The second instance generates pairs of calls, verifies audio signal and measures PESQ MOS. A pair of calls is generated if you set "number of calls to generate at a time" = "2" Here is a script to simulate the conference in SIP Tester: Test audio quality (PESQ MOS) in a conference server (long-duration calls) SIP Tester should be configured to make N calls in burst, and to limit number of concurrent calls to N. First call in burst plays audio to the conference, secondary calls listen to audio signal from the conference server and measure audio quality Here is a script to simulate the conference in SIP Tester: Test audio quality (PESQ MOS) and DTMF capability of a VoIP route (SIP trunk) in 2 directions The 2 scripts (incoming and outgoing) are used to make test calls via a SIP route to check its audio quality and DTMF passability in 2 ways (from A to B and from B to A) Test outbound dialer The script processes incoming calls which are generated by dialer. It makes random delays, accepts or rejects call. block probability="0.05" >How to Test SIP Trunks
Refinitiv2 min readGAITHERSBURG, Md., Feb. 26, 2024 (GLOBE NEWSWIRE) — GL Communications Inc., a global leader in telecom test and measurement solutions, addressed the press regarding their SIP protocol emulation and testing solutions.[For illustration, refer to Message Automation & Protocol Simulation (MAPS™) software program can emulate many telecommunications protocols. MAPS™ for Session Initiation Protocol (SIP) can emulate User Agents (User Agent Client - UAC, User Agent Server - UAS), Proxy, Redirect, Registrar, and Registrant servers for testing VoIP infrastructure.Vijay Kulkarni, CEO of GL Communications, highlights the software's capabilities, stating, “MAPS™ SIP is a complete VoIP emulation solution. Users can send thousands of simultaneous calls with customizable parameters and audio payloads. Full analysis of the VoIP calls is possible including voice quality, call failures, call successes, call drops, ladder diagrams and more. Furthermore, the software can test SIP conformance of various VoIP infrastructure.” He also notes that MAPS™ for SIP has been tailored to specialized implementations such as Air Traffic Control networks (ED-137 of the EUROCAE standard) and Next Generation 911 networks. The software has been used by Telecom Providers, Air Navigation Service Providers, Emergency Services and Equipment Manufacturers to test mission critical infrastructure. Additionally, MAPS™ SIP seamlessly integrates with the MAPS™ RTP HD hardware appliance to generate tens of thousands of simultaneous calls through specialized Network Interface Cards.Key Features and Capabilities:Comprehensive Evaluation: The SIP testing solution covers critical areas such as call connectivity, call signaling, traffic generation, voice quality testing, codec functionality, and more.RTP Traffic Handling: MAPS™ SIP facilitates theAutomating SIP Testing With SIPp
In this guide, we’ll walk through how to use sipsak to verify bidirectional UDP connectivity. Ensuring that your SIP (Session Initiation Protocol) connection is functioning properly is a fundamental step in setting up and maintaining your communication systems. Whether you’re troubleshooting or performing routine checks, sipsak is a lightweight, reliable tool to test SIP connectivity.In this guide, we’ll walk through how to use sipsak to verify bidirectional UDP connectivity with a SIP provider, using Enfonica as an example. These steps can be applied to other SIP providers as well.PrerequisitesBefore starting, ensure you have the following:A machine with access to a terminal (Linux, macOS, or Windows).The hostname of your SIP server, such as sip.enfonica.com.Step 1: Installing sipsakHere’s how to install sipsak on common operating systems:For LinuxDebian/Ubuntu:sudo apt-get install sipsakCentOS/RHEL:Install the EPEL repository first:sudo yum install epel-releasesudo yum install sipsakArch Linux:sudo pacman -S sipsakIf not available via your distribution’s package manager, you can build from source using the instructions on sipsak’s GitHub repository.For macOSInstall with Homebrew:brew install sipsakFor WindowsInstall the Windows Subsystem for Linux (WSL) and follow the Linux instructions within the WSL environment.Alternatively, use a tool like Docker to create a Linux-based container for sipsak.Step 2: Testing SIP ConnectivityOnce sipsak is installed, you can test connectivity to your SIP server using the following command:sipsak -v -s sip:For example, to test connectivity to Enfonica:sipsak -v -s sip:sip.enfonica.comExpected ResponseIf the connection is successful, you will receive a response similar to the one below:$ sipsak -v -s sip:sip.enfonica.comSIP/2.0 200 KeepaliveVia: SIP/2.0/UDP 127.0.1.1:43825;branch=z9hG4bK.2b991a55From: sip:sipsak@127.0.1.1:43825;tag=3cbae4bbTo: sip:sip.enfonica.com;tag=d506250398269113e57ad6d49099e6f1.eac75b89Call-ID: 1018881258@127.0.0.1CSeq: 1 OPTIONSAllow: INVITE, ACK, OPTIONS, CANCEL, BYEContent-Length: 0This SIP/2.0 200 response confirms that bidirectional UDP connectivity is working between your client and the SIP server.Step 3: TroubleshootingIf the test does not succeed, here are some steps to diagnose the issue:1. Check Firewall or NAT SettingsEnsure UDP traffic is not blocked by a firewall on your network.Verify that ports commonly used for SIP (like 5060) are open.2. Validate the SIP Server HostnameDouble-check the server hostname (sip.enfonica.com in our example).3. Use sngrep for Deeper AnalysisIf you’re unsure about what’s happening with your SIP packets, use sngrep to capture and analyze SIP. SIP ATA Interoperability Test Case SIP Compliance and Interoperability SIP End to End Performance Metrics SIP Infrastructure Performance Testing SIP Interop Test Description SIP Performance Benchmarking SIP Registration Stress Test SIP Robustness Testing for Large-Scale Use SIP Server Security with TLS: Relative Performance Evaluation SIP
Voice Quality Testing and SIP Testing Solutions
"MailSenderServer", "MailSenderFrom", they are configured in SIP Tester on settings screen. 3 and $global.available; != false"> Simulating RE-INVITE (put SIP call on hold) Script for call generator: Script for call receiver: Simulating REFER (call transfer) Script for call generator: Script for call receiver: Identification of IVR messages This script recognizes audio signal in RTP stream, compares it with list of predefined WAV/MP3 files. The resuts are saved into variables and to CDR report. Audio verification is used to test IVR menus and check performance of IVR servers. PESQ MOS (mean opinion score) audio quality measurement This script measures audio quality of IVR message which is played by destination server Client-server-client audio path verification If SIP Tester is installed on both server side and on client side, it could be configured to test IP network for ability to pass RTP audio correctly. Client-side SIP Tester generates SIP calls, transmits RTP audio to the server-side SIP Tester Server-side SIP Tester accepts SIP calls, receives RTP audio and plays exactly same audio back to client (creates loopback connection) If there is a NAT, you should set settings "SymmetricSIP" = "1" and "SymmetricRTP" = "1" on server-side SIP Tester Client-side SIP Tester verifies the received audio if it equals to what it transmitted Checking availability of SIP server using command line interface (CLI) This script makes SIP call to a server and returns SIP status code into .bat file. CallXML file (c:\srcipt.xml) test.bat file launches SIP Tester via CLI, passes server SIP URI asPennsylvania SIP, Sampling and Testing- Sampling and Testing
For your phone. A SIP ALG can re-write SIP packet headings, which can mangle the delivery process. This can make the device you're calling believe that your phone is not behind a NAT, when in fact it is. If an ALG disrupts a call, it can lead to incoming call failure, and phones that unregister themselves.The SIP ALG is not fatal in and of itself. There are times when SIP ALGs won't cause problems. However, in many cases, they are the cause of dropped calls. SIP ALGs are usually enabled by default. The process of disabling a SIP ALG varies by manufacturer. Consider your router's documentation for more information. VoIP-Info has a fairly comprehensive guide on disabling SIP ALGs.Keep Your Router Open for VoIPInstant call fails, dead air, choppy sound, and other call quality issues might mean that your router is blocking or interfering with VoIP traffic. Many routers come with closed ports or SIP ALGs that can interfere with call quality. If you purchased a new router, installed new firmware, or are simply having trouble making calls, you might want to check to see if these router issues could be causing the problem.If you find that your ports or ALG are not to blame for poor call connectivity, you can conduct further tests to pinpoint the problem. Try troubleshooting by running a ping test, traceroute, or VoIP test to see if something else is causing the issue.. SIP ATA Interoperability Test Case SIP Compliance and Interoperability SIP End to End Performance Metrics SIP Infrastructure Performance Testing SIP Interop Test Description SIP Performance Benchmarking SIP Registration Stress Test SIP Robustness Testing for Large-Scale Use SIP Server Security with TLS: Relative Performance Evaluation SIP SIP testing . Introduction to SIP testing; SIP; SIP server response codes; Previous NextConfiguring and Testing Direct SIP, test call?
IdahoPermit Test & Driver’s License FAQHow many questions are on the Idaho permit test?The Idaho permit test consists of 40 questions, and you must answer at least 34 correctly to pass (85%).What is an Idaho Supervised Instruction Permit (SIP)?Teenage drivers under 17 must obtain an Idaho Supervised Instruction Permit (SIP) to start practicing driving. This is the first step toward obtaining a driver's license.How do I apply for a permit?To apply, visit your local Idaho driver's license office. You will need to provide the following documentation:Proof of IdentityProof of Social SecurityProof of US Citizenship and/or Lawful presenceProof of Residency in IdahoProof of BirthdateParental consent and proof of secondary school enrollment/completionAre there any restrictions while driving?When practicing driving, you must be accompanied by a licensed driver aged 21 or older in the front passenger seat. All passengers must wear seat belts, and you must carry your SIP at all times while driving.How can I obtain an underage driver's license?To apply for an underage driver’s license, you must be at least 15 years old, have held your SIP for at least 6 months without any traffic violations, completed 50 hours of behind-the-wheel practice (including 10 hours of nighttime driving). You’ll also have to pass a written knowledge test and a road test.How can I prepare for the Idaho permit test?Prepare using Idaho permit practice tests, the Idaho Driver’s Manual, and online study tools. Online tests will help familiarize you with the test format and identify areas for improvement.Comments
And messenger - Multiplatform - Open Source (also supports XMPP, MSN, AIM, Yahoo! and others).SipToSis from mhspot.com Skype SIP UA - Multiplatform - Open SourcesipXezPhone ("sipX easy phone") from SIPfoundry based on sipXtapisipXphone from SIPfoundry, previously known as the Pingtel phoneVMukti (formerly 1videoConference) alpha: a web2.0 VoIP video conferencing software for Asterisk.wxCommunicator Windows softphone based on sipXtapi and wxWidgets 2.8.x, multi-account, conferencing, NAT supportYateClient is multiprotocol and multiplatform softphone with H.323, SIP,Jingle and IAX support.SIP toolsCallflow: Generates SIP Call Flow diagramsmiTester for SIP: SIP testing tool; Automates test execution.Open Source Asterisk AMI: Open Source Asterisk AMI interface applicationpjsip-perf: SIP transaction and call performance measurement toolPROTOS Test-Suite: SIP Testing toolsSFTF: SIP Forum Test Framework - a SIP UA test suite primarily targeted at UA software developers hosted by SIPfoundrySIP-CallerID: SIP Caller ID retrieval and lookupSIPbomber: SIP proxy testing toolSIP SIMPLE Command Line Tools for SIP sessions (complete console based SIP UA) and SIMPLE Presence (Publish, Subscribe, Notify) and XCAP document manipulationSipp: SIP performance testerSipper: SIPr (called Sipper) is an open source and a comprehensive SIP application testing framework. Generate any call flow in minutes.SIP Proxy: SIP security testing tool.Sipsak: SIP testing toolSIP Soft client: Software development kit for SIP SoftphoneSIPVicious tool suite: tools for auditing SIP devicesSMAP: Locating and fingerprinting remote SIP devicesVovida.org load balancer: SIP Load BalancerSIP Protocol Stacks and LibrariesAloha Spring based J2SE SIP A/S which leverages optimistic concurrent model and supports multiple persistence modelseXosip - eXtended osip libraryJuphoon SIP Stack Rich software SDK support SIP, SDP, XML, RTP/RTCP, HTTP, STUN, ABNF etc. Support Windows, Linux, ThreadX, Vxworks etc.libdissipate SIP stackminisip includes a SIP stackMjSip - complete and powerful java-based SIP library for both J2SE and J2ME platforms.MSRP Library - MSRP protocol (RFC4975) and its relay extension (RFC4976) written in PythonNIST SIP Various SIP appications and tools in JavaOpen Sip Stack MPL licensed SIP stack with ENUM, Presence (XMPP/SIMPLE) and NAT traversal. Reference implementation of Session Border Controller (OpenSBC) available.oSIP Library SIP LibraryOSP client protocol stack and SIPfoundryPhClickDial - Verona based Active/X plugin for IE allowing ClickToDial functionallityPJSIP: Small footprint, high performance, and ultra-portable SIP stack written in C,
2025-04-09A STUN request to the STUN Server on IP A, but now expects an answer back from the STUN Server from IP B.In my screenshots you can clearly see this. In your screenshot, you see 3CX sending 3 request but none coming back.So, from what I can tell, Firewall Checker is correct.[EDIT]Ignore the fact that the STUN Server IPs might be different in your case, we have multiple around the world and different ones are used depending on location... #6 Hello, and thanks once again, I'm also suspecting the SIP ALG on our Sophos XG firewall. Firewall Checker keeps on failing with detecting SIP ALG!!!!!! even though we have disabled it following the steps below: Anyone with Sophos firewall, are these the only steps needed to disable SIP ALG on the Sophos firewall? #7 I think the issue here is not so much that there exists an enabled SIP ALG but that the 3CX PBX is not receiving any replies for the SIP ALG test, that is why the SIP ALG just says "failed" as opposed to "detected". You can also see this from the packet capture as a response to the SIP INVITE sent by the 3CX PBX is never received.Same goes for the SIP PORT 5060 test, the first test for PORT 5060 that does not require a port or ip change passes, however the second test that requires these to change fails as a response is never received by the PBX. That is the reason it reads "Full cone test failed" as opposed to just "failed".That said I think you should check the firewall in order to determine if this traffic is indeed reaching it, and if yes, figure out why it is dropping it or not forwarding it to the correct destination. #8 I think the issue here is not so much that there exists an enabled SIP ALG but that the 3CX PBX is not receiving any replies for the SIP ALG test, that is why the SIP ALG just says "failed" as opposed to "detected". You can also see this from the packet capture as a response to the SIP INVITE sent by the 3CX PBX is never received.Same goes for the SIP PORT 5060 test, the first test for PORT 5060 that does not require a port or ip change passes, however the second test that requires these to change fails as a
2025-04-03Software architecture Basic steps for active testing Basic steps for passive testing (monitoring) or VoIP recording Installation Main window UAC registrations UAS registrations Outgoing SIP calls Incoming SIP calls Current calls report: SIP information Current calls report: RTP information Call Detail Record (CDR) report Lowest quality calls Reports/Statistics Performance chart Stepwise testing Manual tests Impairments generation Settings Log License information Command line interface Web API Web API: UAC registrations Web API: Jobs Screen videos, training sessions Configuring SIP Tester with Cisco Unified Call Manager (CUCM) Report unclarityBasic steps for active testing Basic steps to run a simple active SIP stress test using graphical user interface (GUI) are: Install winpcap .NET Framework 4.5 and SIP Tester Configure UAC registrations Configure outgoing call stress parameters Configure CallXML scripts (test scenarios) via GUI or XML (optional) Configure audio files for playback and/or IVR audio verification, configure other settings Run a test (optional) If you make calls via internet, simultaneously run internet latency test, continuous speed test and VoIP readiness test to double-check internet connection Watch measured VoIP quality indicators in real time: Current calls - SIP indicators Current calls - RTP indicators Reports and statistics like "max jitter", "max packet loss" per call, etc. CDR report History charts (optional) configure email alerts and reports for call capacity overloads or call quality drops on settings screen (optional) listen to recorded audio files, or export results into .pcap files Alternatively you can use command line interface (CLI) with .bat scripts or windows service mode (StarTrinity.SIPTester.Service.install.bat) with Web API to run automated tests Basic steps for passive testing (monitoring) or VoIP recording In passive mode SIP Tester monitors all UDP packets on all network adapters like wireshark. It tries to interpret packets as SIP and RTP. There is no UDP port filter. To monitor SIP calls
2025-04-03The IVR playback delays are saved to CDR in a custom field Test audio quality (PESQ MOS) in a conference server The conference server should be tested by 2 separate instances of SIP Tester. They can run on the same server on different SIP ports ("LocalSIPPort" setting). The first instance simulates call load of about 30 concurrent calls, it plays silence to the conference. The second instance generates pairs of calls, verifies audio signal and measures PESQ MOS. A pair of calls is generated if you set "number of calls to generate at a time" = "2" Here is a script to simulate the conference in SIP Tester: Test audio quality (PESQ MOS) in a conference server (long-duration calls) SIP Tester should be configured to make N calls in burst, and to limit number of concurrent calls to N. First call in burst plays audio to the conference, secondary calls listen to audio signal from the conference server and measure audio quality Here is a script to simulate the conference in SIP Tester: Test audio quality (PESQ MOS) and DTMF capability of a VoIP route (SIP trunk) in 2 directions The 2 scripts (incoming and outgoing) are used to make test calls via a SIP route to check its audio quality and DTMF passability in 2 ways (from A to B and from B to A) Test outbound dialer The script processes incoming calls which are generated by dialer. It makes random delays, accepts or rejects call. block probability="0.05" >
2025-04-02In this guide, we’ll walk through how to use sipsak to verify bidirectional UDP connectivity. Ensuring that your SIP (Session Initiation Protocol) connection is functioning properly is a fundamental step in setting up and maintaining your communication systems. Whether you’re troubleshooting or performing routine checks, sipsak is a lightweight, reliable tool to test SIP connectivity.In this guide, we’ll walk through how to use sipsak to verify bidirectional UDP connectivity with a SIP provider, using Enfonica as an example. These steps can be applied to other SIP providers as well.PrerequisitesBefore starting, ensure you have the following:A machine with access to a terminal (Linux, macOS, or Windows).The hostname of your SIP server, such as sip.enfonica.com.Step 1: Installing sipsakHere’s how to install sipsak on common operating systems:For LinuxDebian/Ubuntu:sudo apt-get install sipsakCentOS/RHEL:Install the EPEL repository first:sudo yum install epel-releasesudo yum install sipsakArch Linux:sudo pacman -S sipsakIf not available via your distribution’s package manager, you can build from source using the instructions on sipsak’s GitHub repository.For macOSInstall with Homebrew:brew install sipsakFor WindowsInstall the Windows Subsystem for Linux (WSL) and follow the Linux instructions within the WSL environment.Alternatively, use a tool like Docker to create a Linux-based container for sipsak.Step 2: Testing SIP ConnectivityOnce sipsak is installed, you can test connectivity to your SIP server using the following command:sipsak -v -s sip:For example, to test connectivity to Enfonica:sipsak -v -s sip:sip.enfonica.comExpected ResponseIf the connection is successful, you will receive a response similar to the one below:$ sipsak -v -s sip:sip.enfonica.comSIP/2.0 200 KeepaliveVia: SIP/2.0/UDP 127.0.1.1:43825;branch=z9hG4bK.2b991a55From: sip:sipsak@127.0.1.1:43825;tag=3cbae4bbTo: sip:sip.enfonica.com;tag=d506250398269113e57ad6d49099e6f1.eac75b89Call-ID: 1018881258@127.0.0.1CSeq: 1 OPTIONSAllow: INVITE, ACK, OPTIONS, CANCEL, BYEContent-Length: 0This SIP/2.0 200 response confirms that bidirectional UDP connectivity is working between your client and the SIP server.Step 3: TroubleshootingIf the test does not succeed, here are some steps to diagnose the issue:1. Check Firewall or NAT SettingsEnsure UDP traffic is not blocked by a firewall on your network.Verify that ports commonly used for SIP (like 5060) are open.2. Validate the SIP Server HostnameDouble-check the server hostname (sip.enfonica.com in our example).3. Use sngrep for Deeper AnalysisIf you’re unsure about what’s happening with your SIP packets, use sngrep to capture and analyze SIP
2025-04-05