Pjsua2 play audio. Apr 16, 2022 · Describe the bug When a Re-INVITE is sent to renegotiate the remote address (towards PJSUA2), RTP is still sent to the previously negotiated address instead of the newly negotiated address. Understanding Audio Media Flow Introduction Audio playback flow (the main flow) Audio recording flow Sound device timing problem Incoming RTP/RTCP Packets Introduction During a call, media components are managed by PJSUA-LIB, when PJSUA-LIB or PJSUA2 is used, or by the application if the application uses low level PJSIP or PJMEDIA API directly. Jul 11, 2023 · PJSUA2 integrate caller's audio with OpenAI's API Ask Question Asked 2 years, 7 months ago Modified 2 years, 5 months ago Nov 12, 2021 · Describe the bug Hello everyone, we currently have the problem of hearing no sound during a SIP-Call (we cant play WAVE-file), using PJSUA2 for Java on a Raspberry Pi. But according with pjsip Media Port documentation other medias are possible. Subclassing the Call class To use the Call class, application SHOULD subclass it, such as: AudioMedia getAudioMedia (int med_idx) const PJSUA2_THROW (Error) Get audio media for the specified media index. 10). Code below: Dial a number, play a sound, hangup using PJSUA2. This guide covers common pitfalls and provides a complete solution to enhance your call functionality PJSUA2 PJSUA2 Samples View page source PJSUA2 Samples Using PJSUA2 View page source Using PJSUA2 Table of Contents The Endpoint Accounts Working with audio media Working with video media Calls Presence and Instant Messaging Previous Next PJSUA2 API is the highest API from PJSIP, on top of PJSUA-LIB API. I tried changing some basic options available through the Python EpConfig interface. In PJSUA2, all audio media objects are plugged-in to the central conference bridge for easier manipulation. jibri. At this point, if pjip client 1001 receives some audio packets on UDP port 5999, how to play these audio packets to 1002 ( how to make 1002 hear these audio packets) Create an avi file player, and automatically add this player to the audio/video conference bridge. If the specified media index is not audio or invalid or inactive, exception will be thrown. js. Feb 25, 2020 · As a developer, especially when you are using the high level PJSUA2 API, you probably don’t need to manipulate the audio conference bridge directly. 媒体（Media） 媒体对象是能够产生媒体或接受媒体的对象。 Media的重要子类是AudioMedia，它代表音频媒体。PJSUA2支持多种类型的音频媒体对象： 捕获设备的AudioMedia，用于从声音设备捕获音频。 播放设备的AudioMedia，可以播放音频到声音设备。 呼叫音频媒体， Jul 12, 2024 · Describe the feature I'm using this snippet of code to playback a wav file to the caller using pjsua2 AudioMediaPlayer How to send a chunk by chunk (audio frames) to the caller instead of playing a Understanding Audio Media Flow Introduction Audio playback flow (the main flow) Audio recording flow Sound device timing problem Incoming RTP/RTCP Packets Introduction During a call, media components are managed by PJSUA-LIB, when PJSUA-LIB or PJSUA2 is used, or by the application if the application uses low level PJSIP or PJMEDIA API directly. PJSUA-LIB API itselfis a library that unifies SIP, audio/video media, NAT traversal, and client media application best practices into a highlevel, integrated, and easy to use API. Calls Table of Contents Calls Subclassing the Call class Making outgoing calls Receiving Incoming Calls Call Properties Call Disconnection Working with Call’s Audio Media Call Operations Instant Messaging (IM) Calls are represented by pj::Call class. Apr 14, 2021 · I'm trying to play 16 bit PCM mono . Specifications Audio device configuration settings to be supported: PJSUA: pjmedia_snd_port_param. The next chapter will guide you on selecting which API level to use dependingon your requirements. Unfortunately PJSUA2 can only configure one audio device (only playback or capture) at one time, so it will never be able to switch over from null device. Nov 23, 2023 · make call with pjsua2 Close the call when audio is playing Try to stop transmission, destroy player and AudioMedia (this it's not possible) Try to make another call In 5 I have the problem: PJ_ETOOMANY is received because previous player was not destroyed, also I can't destroy it when Normal call clearing happens. It focuses on the high-level C++ API for managing audio streams, devices, and media processing. Basically, all media "ports" (such as calls, WAV players, WAV playlist, file recorders, sound device, tone generators, etc) are terminated in the conference bridge, and application can manipulate the interconnection between these terminations freely. Contribute to sekarpdkt/misc development by creating an account on GitHub. This can be useful when communicating with endpoints that do not respond to UPDATE properly while indicating UPDATE support (by specifying UPDATE in its SIP Allow header). PJSUA-LIB API itself is a library that unifies SIP, audio/video media, NAT traversal, and client media application best practices into a highlevel, integrated, and easy to use API. But when I try to make a call, nothing goes trough and I don't I already made the player and recorder member variables based upon PJSUA2 - Recording call audio to wav file. Create an avi file player, and automatically add this player to the audio/video conference bridge. Contribute to VoIPGRID/PJSIP development by creating an account on GitHub. core audio stream started 2 Notice that I never get the message "Turning sound device ON" using pjsua2_demo. Specify audio frame ptime. A pjsip (or more accurately a pjsua2) binding for node. In PJSUA2, all audio media objects are registered to the central conference bridge for easier manipulation. PJSIP client 1001 calls client 1002. Perhaps it's related to permission, or there is any other app using the capture device. startTransmit(playback_media) 两个示例都可以工作，并且根据 PjSUA2 Media documentation 和 Audio media documentation 的说法，传输和接收音频、播放和记录WAV是可能的。 但是根据 pjsip Media Port documentation 的说法，其他媒体也是可能的。 似乎 SWIG wrapper 不支持它。 Dec 15, 2017 · The APIs will be useful for application that needs to work with multiple sound devices concurrently. I will close this How to answer a MO call with an audio file This article describes how to setup an IMS environment to answer call from UE with an audio file. To control the volume with the system volume control, you should adjust the call audio volume, not the media/music volume: audio_media. Subclassing the Call class To use the Call class, application SHOULD subclass it, such as: Nov 23, 2023 · make call with pjsua2 Close the call when audio is playing Try to stop transmission, destroy player and AudioMedia (this it's not possible) Try to make another call In 5 I have the problem: PJ_ETOOMANY is received because previous player was not destroyed, also I can't destroy it when Normal call clearing happens. Oct 31, 2023 · The question is: What can I do to make sure that the original audio is transferred, looped-back and stored as-is, without any changes to the quality or characteristics of the recorded audio? This is a simple, short call which only loops a wav file, nothing more. Follow the following tutorial. 11 (also happened with 2. Note that you can download pjproject sources Here. cpp sauwming c5bc3d1ef5 Add function to initialize MediaFormat audio & video (#3925) 2 years ago Calls Table of Contents Calls Subclassing the Call class Making outgoing calls Receiving Incoming Calls Call Properties Call Disconnection Working with Call’s Audio Media Call Operations Instant Messaging (IM) Calls are represented by pj::Call class. Audio device tuning AEC Audio latency benchmark Audio quality troubleshooting Integrating 3rd party media Intel IPP codecs integration OpenCore AMR codecs integration I am working on this new project with pjsua2 which has two sound devices on computer, I wanted to work with both of them independently, but in linux when I plug the other sound card the second beca Specifies if lock codec feature should always use INVITE method. 1002 After answering, 1001 and 1002 are in a call state. I already managed to authorize on remote sip server, but calling is more difficult. 媒体（Media） 媒体对象是能够产生媒体或接受媒体的对象。 Media的重要子类是AudioMedia，它代表音频媒体。PJSUA2支持多种类型的音频媒体对象： 捕获设备的AudioMedia，用于从声音设备捕获音频。 播放设备的AudioMedia，可以播放音频到声音设备。 呼叫音频媒体， Dec 9, 2019 · audio_media. It may also be possible that this is a platform bug (such as google/oboe#1295). The problem is now I don't have any idea to access the audio data in real time. With createRecorder() and createPlayer() and transmitting to them I'm able to record the calls and play some wav Files. Specifying lower ptime will normally reduce the latency. But when I try to make a call, nothing goes trough and I don't Once these processes finishes, the conference bridge returns the mixed signal for slot zero back to the original :cpp:any:`pjmedia_port_get_frame ()` call. The script is working so far. How to record only caller audio 3. May 13, 2025 · Here are some examples: (1) . 1 currently im writing a script using PJSUA2 in Python3. 223 coreaudio_dev. Contribute to pjsip/pjproject development by creating an account on GitHub. At this point, if pjip client 1001 receives some audio packets on UDP port 5999, how to play these audio packets to 1002 ( how to make 1002 hear these audio packets) Apr 17, 2017 · 6. In PJSUA2, all audio media objects are registered to the central conference bridge for easier manipulation. 14 commit . log Jun 19, 2023 · AudioMediaPlayer count uint // Audio playback times (accumulated from 0) maxNum uint // Maximum number of plays (1 or 2 or 3) audMed pjsua2. Subclassing the Call class To use the Call class, application SHOULD subclass it, such as: Specify audio frame ptime. Apr 17, 2017 · 6. How does one turn on the sound device & should I have to do it or is it a bug? Does anyone have a *working* example of using pjsua2 cpp classes or java classes? -- Scott. Dec 15, 2017 · The APIs will be useful for application that needs to work with multiple sound devices concurrently. This will also affect ICE completion update in updating default address in SDP. This doesn't work: class Call(pj. PJSIP_INV_STATE_CONFIRMED if (self Jan 1, 2019 · To: "pjsip@xxxxxxxxxxxxxxx" <pjsip@xxxxxxxxxxxxxxx> Subject: Python PJSUA2 : play wave file and record audio example From: Sekar S <sekarpdkt@xxxxxxxxxxx> Date: Tue, 1 Jan 2019 12:24:53 +0000 Accept-language: en-US Reply-to: pjsip list <pjsip@xxxxxxxxxxxxxxx> Hi all Checking by playing a WAV file Play WAV file with pjsua An easy way to check if speaker is functioning properly is by using pjsua to play a WAV file to the speaker, with these easy steps: Find any WAV file with the following specification: any clock rate mono (not stereo) 16bit, PCM sample Run pjsua with the file: PJSUA2 wraps together the signaling, media, and NAT traversal functionality into easy to use call control API, account management, buddy list management, presence, and instant messaging, along with multimedia features such as local audio and video conferencing, file streaming, local playback, and voice recording, and powerful NAT traversal Detailed Description PJSUA has rather powerful media features, which are built around the PJMEDIA conference bridge. Apr 25, 2025 · By understanding these media operations, developers can build sophisticated VoIP and multimedia applications using PJSUA2's powerful audio and video handling capabilities. AudioMedia recorder pjsua2. I looked for it in the Faqs but it seem, it requires working with implementing pjmedia_struct [1] whic Sep 14, 2018 · I've attached the full pjsua and jibri logs. PJSIP version 2. Interesting about this problem is that exactly the same code works on Dec 10, 2023 · So, I want to make a call in pjsua2 python library and attach an audio along with it after answer but it doesn't seem to work correctly after call is confirmed. It seems that SWIG wrapper do not support it. 14 commit Checking by playing a WAV file Play WAV file with pjsua An easy way to check if speaker is functioning properly is by using pjsua to play a WAV file to the speaker, with these easy steps: Find any WAV file with the following specification: any clock rate mono (not stereo) 16bit, PCM sample Run pjsua with the file: May 13, 2025 · Here are some examples: (1) . Is there a way to do that with streams and buffers? Jan 8, 2019 · From: Sekar S From: Sekar S Re: Python PJSUA2 : play wave file and record audio example From: Sekar S From: Sekar S Re: Python PJSUA2 : play wave file and record audio example From: Sekar S From: Sekar S Prev by Date: VP8 support? Next by Date: Changing RTP Port on the fly Previous by thread: Re: Python PJSUA2 : play wave file and record audio Oct 5, 2015 · Using PJSUA2 I'm trying to record an incoming call directly to a wav file but can't hear any audio in the wav file. The conference bridge May 21, 2016 · 5 According to PJSIP/PJSUA2 documentation, the way to retrieve/send audio data is to use AudioMediaRecorder/AudioMediaPlayer which write/read data to/from file. getInfo () self. Open the source file for more information. How to play a local wavefile to caller (or remove user) 2. At first, a registered audio media will not be connected to anything, so media will not flow from/to any objects. PJSUA2 PJSUA2 Samples Edit on GitHub PJSUA2 Samples Mar 20, 2019 · If any capture or playback device ID is set to PJSUA_SND_NULL_DEV (for null audio device), PJSUA will invoke pjsua_set_null_snd_dev() so both device IDs will be reset to PJSUA_SND_NULL_DEV again. misc codes. It can also help application to simplify the tasks of improving media framework clock as described here. Jan 1, 2019 · 1. Contribute to FBranca/sip_play_sound development by creating an account on GitHub. (2). The initialisation of the endpoint and library go just fine, my test sip account appears online to other accounts. log pjsua. How to record both audio (in this case outgoing audio will be the wav file being played) I tired following, but not working def onCallState (self, prm): ci = self. Jan 19, 2021 · I am new to PJSUA2, and I'm trying to make calls using this library. The player will create a virtual video device and audio/video media port based on the streams contained in the file. The logs don't indicate any errors, however I don't hear anything on the other side. Steps t 0 Pjsip by default uses the voice communication / phone stream for playing audio. The value here will affect the samples per frame of both the sound device and the conference bridge. Using PJSUA2 Table of Contents The Endpoint Accounts Working with audio media Calls Presence and Instant Messaging Previous Next PJSIP with call audio capturing and streaming features PJSIP library is modified to capture PCM frames from the call and stream PCM frames to the calls. Cal 21:38:24. May 22, 2025 · This document covers the audio media system in PJSUA2, including the conference bridge architecture, audio media classes, and audio flow management. Now I can correctly play a WAV file to the caller and I also can record my own WAV file via recorderVerify. My recommendation is to try with the sample app and/or try another Android audio device backend (OpenSL or Android JNI). Parameters med_idx – Media index, or -1 to specify any first audio media registered in the conference bridge. So, here is the code: #include &lt;iostream& Sep 24, 2023 · I'm trying to develop a code in Python that first makes a sip call to an extension and when the call is answered it plays an audio file, I managed to authenticate the account but the call is not ma Jan 5, 2019 · To: "pjsip@xxxxxxxxxxxxxxx" <pjsip@xxxxxxxxxxxxxxx> Subject: Re: Python PJSUA2 : play wave file and record audio example From: Sekar S <sekarpdkt@xxxxxxxxxxx> Date PJSUA2 PJSUA2 Samples View page source PJSUA2 Samples Hello everyone, I am trying to write a C++ application using pjsua2 that will run on the Raspberry Pi (armv6 architecture). state == pj. PJSUA2 API is the highest API from PJSIP, on top of PJSUA-LIB API. Fork 0 master pjproject / pjsip-apps / src / samples /pjsua2_demo. It will operate in the background and most of I already made the player and recorder member variables based upon PJSUA2 - Recording call audio to wav file. Learn how to effectively send an audio file during a call using the PJSUA2 library in Python. Returns The audio media. connected = ci. Mar 22, 2020 · I am looking for a way to manipulate media by capture and playback of audio frames using callbacks with PJSUA2 on python3. Note that UPDATE can be sent when dialog is still in early state, while re Mar 2, 2018 · I am able to record from the MEMS microphone and play back through the amplifier at a variety of sample rates, bit depths and in mono or stereo, using the default capture and playback ALSA devices. Please let me know if the audio setup has to be adjusted to allow pjsua to function. Use PJProject as SIP client First step is to build pjproject with AMR codec support. 7 or higher. Using PJSUA2 Sample applications Specific guides Audio Audio Troubleshooting Build and integration Development and programming Media Network and NAT Performance and footprint Security SIP Video Other API reference PJSUA2 - high level API (Java/C#/Python/C++/swig) PJSUA-LIB - high level API (C) PJSIP - SIP stack PJMEDIA - media framework PJNATH Nov 25, 2025 · PJSIP project. PJSUA2 wraps together the signaling, media, and NAT traversal functionality into easy to use call control API, account management, buddy list management, presence, and instant messaging, along with multimedia features such as local audio and video conferencing, file streaming, local playback, and voice recording, and powerful NAT traversal All Samples PJSUA2 Samples PJSUA-LIB Samples PJSIP Samples PJMEDIA Samples Below are PJMEDIA samples. Subclassing the Call class To use the Call class, application SHOULD subclass it, such as: Mar 14, 2023 · Unfortunately, I don't know why either, Googling it didn't give any helpful explanation. At first, a plugged-in audio media will not be connected to anything, so media will not flow from/to any objects. Default value: PJSUA_DEFAULT_AUDIO_FRAME_PTIME unsignedmaxMediaPorts¶ Specify maximum number of media ports to be created in the conference bridge. PJSUA2: only playback and record device IDs. Familiarity with pjsip/pjsua2 is a plus when using this binding. I used a cross compiler to compile pjproject on my laptop (normal intel 64-bit architecture). Using PJSUA2 Sample applications Specific guides Audio Audio Troubleshooting Build and integration Development and programming Media Network and NAT Performance and footprint Security SIP Video Other API reference PJSUA2 - high level API (Java/C#/Python/C++/swig) PJSUA-LIB - high level API (C) PJSIP - SIP stack PJMEDIA - media framework PJNATH Hello everyone, I am trying to write a C++ application using pjsua2 that will run on the Raspberry Pi (armv6 architecture). startTransmit(playback_media) Both examples work and according to PjSUA2 Media documentation and Audio media documentation it is possible transmit and receive audio, play and record WAV. wav files in a call with PJSUA 2. The :cpp:any:`pjmedia_snd_port` got the audio frame and returned it back to the audio device stream to finish the :cpp:any:`play_cb <pjmedia_aud_play_cb>` callback. The goal of the script is to make voice-calls using SIP. suzhc ugfg peqpes yznc xzfo zzhbi ijbxjm epnkhh qbmiwl sadptcah