[Asterisk-Users] How to make Polycom phones work with Asterisk asaSIP Client?

[Kanuri, Seshu (Company IT)]

Wiley,

There are a couple of issues that we saw  while not using this option.

1) sip authentication failures as Asterisk is not able to reach Polycom
phones.

A typical problem description is here:
http://lists.digium.com/pipermail/asterisk-users/2004-December/079251.ht
ml

2) DTMF issues for Transfers, Hold or simply to dial extensions. This
problem is more pronounced when you are using dtmfmode=inband

Check the Links here:

http://lists.digium.com/pipermail/asterisk-users/2005-March/092401.html

http://www.mail-archive.com/asterisk-users@lists.digium.com/msg94489.htm
l


You can do a test of this using Asterisk at home version 1.0 if you have a
Polycom phone at your disposal. I ran this test as under:

1) Configure a Polycom Phone as SIP extension under Asterisk at home
2) Try to make a call - It will not register with Asterisk as
asterisk at home does not use this option in it's sip configuration and
even if you add this manually in the sip_additional.conf, AMP will
overwrite(remove) this line from the sip_additional.conf

To make Polycom phone work with Asterisk, add the sip.conf entry into
the main sip.conf, using progressinband=no option. Polycom phone will
immediately connect.

Seshu

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Wiley
Siler
Sent: Monday, June 06, 2005 12:44 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: RE: [Asterisk-Users] How to make Polycom phones work with
Asterisk asaSIP Client?

Seshu,

I have Polycom IP500s and I have never had to set that parameter to make
them work with Asterisk.  I have used various versions of the BootROM
and sip.ld without any issue.

What problem are you specifically addressing?

Thanks,
Wiley


 

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Kanuri,
Seshu (Company IT)
Sent: Monday, June 06, 2005 9:08 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [Asterisk-Users] How to make Polycom phones work with Asterisk
as aSIP Client?

Folks!

If you are using Polycom Phones, any model - 500, 300, 400, 600 etc,
please rememeber to add this line to your sip.conf entry.

Progressinband=no

Without this line, these phones may not work. Probably this one line may
fix most of the problems users are reporting on this forum about
Polycoms.

Seshu Kanuri
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