[asterisk-users] Cisco SPA 5xx/3xx/9xx phones don't respond to SIPAddHeader(Call-Info: answer-after=0)

adamk at 3a.hu adamk at 3a.hu
Tue Apr 9 11:02:20 CDT 2013

On 3/21/2013 6:58 PM, Optical Phoenix wrote:

> the sip string should be "Call-Info:\;answer-after=0". I have not tested
> this yet however.

I can confirm this,

exten => 1234,n,SIPAddHeader(Call-Info:\;answer-after=0)

is working with a SPA504 phone.


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