[asterisk-users] How to pick a codec on the fly

[Danny Nicholas]

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Daniel Tryba
Sent: Monday, September 27, 2010 1:17 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] How to pick a codec on the fly

On Mon, Sep 27, 2010 at 01:02:04PM -0500, Danny Nicholas wrote:
>           I'm trying to test an IVR system with recorded prompts and would
> like to be able to call 1234 and have the codec be gsm, 2234 slin, 3234
> ulaw, etc.  I know I can set up 3 users where #1 is gsm, #2 is ulaw and #3
> is slin;  Need it the other way so I can do DAHDI--> IAX testing.

exten => 1234,1,Set(_SIP_CODEC=alaw)
exten => 1234,n,Goto(0234,1)
exten => 2234,1,Set(_SIP_CODEC=slin)
exten => 2234,n,Goto(0234,1)

Should do the trick.

-- 

   Daniel Tryba

Nice try, Daniel, but apparently _SIP_CODEC is no longer useful in 1.4X.
-- Executing [s at from-pstn:7] Goto("DAHDI/1-1", "default|s|1") in new stack
    -- Goto (default,s,1)
    -- Executing [s at default:1] Answer("DAHDI/1-1", "") in new stack
    -- Executing [s at default:2] Goto("DAHDI/1-1", "select-func|s|1") in new
stack
    -- Goto (select-func,s,1)
    -- Executing [s at select-func:1] WaitExten("DAHDI/1-1", "5|m") in new
stack
    -- Started music on hold, class 'default', on DAHDI/1-1
    -- Stopped music on hold on DAHDI/1-1
  == CDR updated on DAHDI/1-1
    -- Executing [2 at select-func:1] Set("DAHDI/1-1", "_SIP_CODEC=ulaw") in
new stack
    -- Executing [2 at select-func:2] Dial("DAHDI/1-1", "IAX2/xxx/332|30|m") in
new stack
    -- Called xxx/332
    -- Started music on hold, class 'default', on DAHDI/1-1
    -- Call accepted by XXX.XXX.XX.XX (format gsm)
    -- Format for call is gsm
    -- IAX2/ffb-18075 answered DAHDI/1-1
    -- Stopped music on hold on DAHDI/1-1
    -- Hungup 'IAX2/xxx-18075'
  == Spawn extension (select-func, 2, 2) exited non-zero on 'DAHDI/1-1'
    -- Hungup 'DAHDI/1-1'