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

[Optical Phoenix]

On Thu, Mar 21, 2013 at 2:48 PM, Carlos Alvarez <carlos at televolve.com>wrote:

> All other phones we work with will auto-answer when we do this:
>
> [macro-paging1way]
> exten => s,1,SIPAddHeader(Call-Info: answer-after=0)
> exten => s,n,Page(${PAGINGLIST})
> exten => s,n, Hangup
>
> The SPA phones simply ring.  I have verified that Auto Answer Page is set
> to yes (the default).  We've tried a variety of firmware versions and phone
> ages, going back to an old 942 and new 504s.  Any ideas?
>
> --
> Carlos Alvarez
> TelEvolve
> 602-889-3003
>
>
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Hi Carlos,
According to this site,
http://community.linksys.com/t5/VoIP-Phones/SPA942-auto-answer-page-intercom-beeping-loudly/td-p/215064the
sip string should be "
Call-Info:\;answer-after=0". I have not tested this yet however.
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