| 1 | = PJSIP FAQ = |
| 2 | |
| 3 | Here you can find answers to some of the most frequently asked questions about PJSIP. If you have a question not answered on this page, you can ask it on the PJSIP mailing list. |
| 4 | |
| 5 | ---- |
| 6 | [[PageOutline(2-6,,inline)]] |
| 7 | ---- |
| 8 | |
| 9 | == General Questions == #general |
| 10 | |
| 11 | === Why isn't PJSIP licensed as (LGPL|MPL|BSD|choose your OSS license here)? === #license |
| 12 | |
| 13 | (Perry please explain) |
| 14 | |
| 15 | === What kind of testing do you do on PJSIP? === #testing |
| 16 | |
| 17 | - unit tests |
| 18 | - test before release |
| 19 | - by community |
| 20 | - !Sipit |
| 21 | |
| 22 | === Where can I find the latest release of PJSIP? === #latest |
| 23 | |
| 24 | SVN. |
| 25 | |
| 26 | |
| 27 | == Build and Installation Issues == |
| 28 | |
| 29 | === I'm having problem building PJSIP === #build-problems |
| 30 | |
| 31 | See Getting started page |
| 32 | |
| 33 | === Unable to open "DSound.h" === #dsound |
| 34 | |
| 35 | Doh! See Getting Started page. |
| 36 | |
| 37 | |
| 38 | == Integration Issues == |
| 39 | |
| 40 | === Can I use the SIP stack with my own media stack? === |
| 41 | |
| 42 | Yes |
| 43 | |
| 44 | === Can I use the media stack only with my own SIP stack? === |
| 45 | |
| 46 | Yes |
| 47 | |
| 48 | === How to port PJSIP to system XYZ? === #porting |
| 49 | |
| 50 | See porting page. |
| 51 | |
| 52 | |
| 53 | == Audio Questions == #media |
| 54 | |
| 55 | === I'm having problems with no/poor audio (quality), please help! === #audio-problem |
| 56 | |
| 57 | Please see BlahBlah for troubleshooting audio problems. |
| 58 | |
| 59 | === I'm having problems with echo! === #echo |
| 60 | |
| 61 | AEC doesn't work all the time. |
| 62 | |
| 63 | === When I try to send DTMF, it fails === #dtmf |
| 64 | |
| 65 | That's because remote doesn't support RFC 2833. |
| 66 | |
| 67 | === Outgoing RTP packets are not timed properly === #tx-timing |
| 68 | |
| 69 | It's because of sound device's clock. |
| 70 | |
| 71 | === How to add new codec to PJMEDIA? === #adding-codec |
| 72 | |
| 73 | See other codec files. |
| 74 | |
| 75 | === How can I manipulate audio samples directly? === #audio-man |
| 76 | |
| 77 | Implement a media port.. |
| 78 | |
| 79 | === I always get "Bad RTP pt error" === #bad-rtp-pt |
| 80 | |
| 81 | The other endpoint is broken |
| 82 | |
| 83 | === How can I implement Secure RTP (SRTP)? === #srtp |
| 84 | |
| 85 | Just implement it |
| 86 | |
| 87 | == Video Questions == |
| 88 | |
| 89 | === Does PJSIP support video? === #video |
| 90 | |
| 91 | No |
| 92 | |
| 93 | === When can I expect PJSIP to support video? === |
| 94 | |
| 95 | It will be done when it's done. |
| 96 | |
| 97 | |
| 98 | == SIP Questions == #sip-questions |
| 99 | |
| 100 | === Does PJSIP support RFC XYZ? === #rfc |
| 101 | |
| 102 | See the Features page. |
| 103 | |
| 104 | === I'm having problem with some SIP scenario === #general-sip |
| 105 | |
| 106 | Let me see the log file! |
| 107 | |
| 108 | === Unable to authenticate === #authentication |
| 109 | |
| 110 | Set your realm correctly, or use "*". |
| 111 | |
| 112 | === How can I reduce the SIP message size === #sip-msg-size |
| 113 | |
| 114 | There are few settings to configure... |
| 115 | |
| 116 | === How can I do IMS authentication? === #ims-auth |
| 117 | |
| 118 | We don't support this yet. |
| 119 | |
| 120 | === How can I instantiate multiple PJSIP stacks in my application? === #multi-stack |
| 121 | |
| 122 | You don't need to! |
| 123 | |
| 124 | == Performance == |
| 125 | |
| 126 | === How can I reduce the CPU usage? === #cpu |
| 127 | |
| 128 | Optimize it. |
| 129 | |
| 130 | === I want to build server with PJSUA-LIB === #pjsua-performance |
| 131 | |
| 132 | Don't. |
| 133 | |
| 134 | == Footprint == |
| 135 | |
| 136 | === How can I reduce the footprint of my application? === #footprint |
| 137 | |
| 138 | See config_site_sample.h |
| 139 | |
| 140 | |
| 141 | == Windows Specific Questions == |
| 142 | |
| 143 | === Where can I have PJSIP as ActiveX control? === #activex |
| 144 | |
| 145 | See Sasa Coh's page. |
| 146 | |
| 147 | == Windows Mobile Specific Questions == |
| 148 | |
| 149 | === I'm having problem with audio === #wm-audio |
| 150 | |
| 151 | Please see [#audio-problem] above. |
| 152 | |
| 153 | == Linux/uC-Linux Specific Questions == |
| 154 | |
| 155 | == MacOS X Specific Questions == |
| 156 | |
| 157 | == Symbian Specific Questions == |