asterisk users - Jan 2008 - Different ringing tones ...

This possibly isn't 100% asterisk related, but I'd like some 
opinions/feedback...

A customer wanted different ring-tones to differentiate external and 
internal calls. No biggie once I'd worked out that details - they have 
100% GXP2000 phones, so adding in the relevant SIP header and altering the 
phones to suit seems like it's going to be a solution...

But I started to look at other phones and it seems that no 2 phones have 
the same "Alert-Info" header information. (damn them!) So in-theory I 
could build up a table of the right runes to put in the SIP header for 
each phone, but what happens when I'm ringing 2 (or more) phones at once 
of different types?

As in:

   ... Dial(SIP/101&SIP/102&SIP/103,...)

If 101 is a Grandstream, and 102 is a Snom and 103 is an analogue phone on 
an ATA ...

I'm not sure if I can simply add multiple SIPAddHeader() calls before the 
Dial() or will they be ignored?

What do others use to make the phones have a different ring-tone? (Other 
than use the phones internal phone-book and match numbers which isn't what 
I want to do)

Cheers,

Gordon

Having just gotten into this today, here's what I got for Grandstream,
Linksys & Polycom phones to all work:

        exten => _7XX,1,SIPAddHeader(Call-Info: sip:\;answer-after=0)
;this works for Linksys & Grandstream
        exten => _7XX,n,SIPAddHeader(Alert-Info: Ring Answer) ;this
works for Polycom
        exten => _7XX,n,Dial(SIP/${EXTEN},${RINGTIMER},${DIAL_OPTIONS})

At first I thought it might be stacking them, as my Grandstream line
used to be exten => _7XX,1,SIPAddHeader(Call-Info: answer-after=0),
which did not work for Linksys.  So I added the sip:\; as a new line
below my original line, which did work.  Then I removed the original
line and both continued to work.

So, this doesn't fully answer your question, but these 3 phones are
working.
 

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Gordon
Henderson
Sent: Monday, January 14, 2008 7:15 AM
To: asterisk-users at lists.digium.com
Subject: [asterisk-users] Different ringing tones ...


This possibly isn't 100% asterisk related, but I'd like some
opinions/feedback...

A customer wanted different ring-tones to differentiate external and
internal calls. No biggie once I'd worked out that details - they have
100% GXP2000 phones, so adding in the relevant SIP header and altering
the phones to suit seems like it's going to be a solution...

But I started to look at other phones and it seems that no 2 phones have
the same "Alert-Info" header information. (damn them!) So in-theory I
could build up a table of the right runes to put in the SIP header for
each phone, but what happens when I'm ringing 2 (or more) phones at once
of different types?

As in:

   ... Dial(SIP/101&SIP/102&SIP/103,...)

If 101 is a Grandstream, and 102 is a Snom and 103 is an analogue phone
on an ATA ...

I'm not sure if I can simply add multiple SIPAddHeader() calls before
the
Dial() or will they be ignored?

What do others use to make the phones have a different ring-tone? (Other
than use the phones internal phone-book and match numbers which isn't
what I want to do)

Cheers,

Gordon

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