[Asterisk-Users] "Cannot native bridge" on licensed G729

[Jay Milk]

I'd say your hardware is out of codecs.  Sipura SPA-2000's, for example,
only allow one G729-call at a time because of licensing issues.  Allow
GSM as a secondary codec and you should be fine.  Yep, it's more
bandwidth, but... 

> -----Original Message-----
> From: Andrew Furey [mailto:andrew.furey at gmail.com] 
> Sent: Monday, July 25, 2005 4:10 AM
> Subject: [Asterisk-Users] "Cannot native bridge" on licensed G729
> 
> In an effort to save bandwidth (our 7905s run over a WAN) 
> we've switched from ulaw to g729a. We purchased 4 licenses 
> ....
>
> But when we try to use more than one (such as transferring an 
> incoming BRI call to a second phone), when the phone answers, 
> the transfer fails and we get the following:
> 
> *CLI> Jul 25 16:49:25 WARNING[114695]: chan_sip.c:2820 
> process_sdp: No compatible codecs! Jul 25 16:49:28 
> WARNING[114695]: chan_sip.c:2820 process_sdp: No compatible 
> codecs! Jul 25 16:49:28 WARNING[114695]: chan_sip.c:2820 
> process_sdp: No compatible codecs!
>     -- Executing Dial("SIP/andrew-89e3", "SIP/jeremy|20") in new stack
>     -- Called jeremy
>     -- SIP/jeremy-b7a9 is ringing
>     -- SIP/jeremy-b7a9 answered SIP/andrew-89e3
>     -- Attempting native bridge of SIP/andrew-89e3 and 
> SIP/jeremy-b7a9 Jul 25 16:49:36 WARNING[851980]: rtp.c:1392 
> ast_rtp_bridge: codec0 = 12 is not codec1 = 256, cannot native bridge.
>   == Spawn extension (default, 801, 1) exited non-zero on 
> 'SIP/andrew-89e3'
>     -- Got SIP response 481 "Call Leg/Transaction Does Not 
> Exist" back from 192.168.200.226 Jul 25 16:49:42 
> WARNING[114695]: chan_sip.c:2820 process_sdp: No compatible codecs!