Failed to Allocate port for RTP instance

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Hello, I am trying to deposit a voicemail message(using voicemail() application) for a subscriber using asterisk-1.8.7.1. But i am facing  aproblem in the rtp port allocation for a session due to which '488 Not Acceptable' response is sent towards the client end.  Following are error messages: [Jan 18 12:43:59] ERROR[19164] res_rtp_asterisk.c: Failed to Allocate port 7660 for RTP instance '0x1a75ab98'
[Jan 18 12:43:59] ERROR[19164] res_rtp_asterisk.c: Oh dear... we couldn't allocate a port (x=7662)7660 for RTP instance '0x1a75ab98'. errno 99
[Jan 18 12:43:59] DEBUG[19164] rtp_engine.c: Engine 'asterisk' failed to setup RTP instance '0x1a75ab98'
[Jan 18 12:43:59] DEBUG[19164] rtp_engine.c: Destroyed…

Asterisk Users 3.7 years ago 3 Answers