asterisk users - Oct 2011 - Problem with outbound dialing from remote phone

I have a real head scratcher . . .

We have several employees who work from home.  All have Polycom 501's that
register to our office Asterisk 1.6.x server and communicate using SIP g729a. 
About two weeks ago, one of these remote users starting experiencing a problem
with a previously working phone:

a. She could receive inbound calls,
b. She can place outbound calls to internal extensions
c. She cannot place outbound calls to external destinations.

I brought up the Asterisk CLI and had her dial outbound while I watched.  The
calls to internal extensions are processing as they should.  However, I do not
see the external dial attempts ever getting to the server.  This is odd because
there is absolutely nothing in the programming of the phone that distinguishes
one from the other.  I had her key in several strings on nonsense and I saw
some, but not all of them.

So, I programmed another phone,  and tested it thoroughly from my own remote
location.  Phone works fine inbound and outbound.  I then shipped the phone to
the user.

User received new phone, plugged it in.  It registers to the Asterisk server
just fine.  It receives inbound calls, however this one cannot dial out at all. 
I see no dial attempts whatsoever on CLI.  If she plugs the old phone back in,
she can still dial internal extensions.  I know the problem is not with the
phone dial pattern, as I've had her key in the number and then press the
"Dial" key.  Besides, the phone worked 24 hours earlier from a
different location.

The sip.conf configuration has not changed from when the phone worked properly:

[1234]
type=friend
regext=1234
context=longdistance
secret=*********
callerid="User Name" <1234>
host=dynamic
qualify=yes
mailbox=1234
permit=0.0.0.0/0.0.0.0

I've checked all log files, and for the failed attempts I see nothing ever
getting to the server.  I don't think the problem is with the phone.

Any ideas, suggestions, etc., would be greatly appreciated.  If I need to
provide additional info please advise.  Thanks.

The information contained in this transmission may contain privileged and
confidential information. It is intended only for the use of the person(s) named
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Adam Robins wrote:
> Any ideas, suggestions, etc., would be greatly appreciated
My guess that the Polycom digitmap isn't being loaded (sip.cfg).  I'm 
sure if she were to dial the phone number and then press 'send' soft 
key, it'd probably dial.


Doug


-- 

Ben Franklin quote:

"Those who would give up Essential Liberty to purchase a little Temporary
Safety, deserve neither Liberty nor Safety."

What happens if she keys in the number+# then presses dial?

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Adam Robins
Sent: Friday, October 14, 2011 10:29 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] Problem with outbound dialing from remote phone

I have a real head scratcher . . .

We have several employees who work from home.  All have Polycom 501's that
register to our office Asterisk 1.6.x server and communicate using SIP
g729a.  About two weeks ago, one of these remote users starting experiencing
a problem with a previously working phone:

a. She could receive inbound calls,
b. She can place outbound calls to internal extensions c. She cannot place
outbound calls to external destinations.

I brought up the Asterisk CLI and had her dial outbound while I watched.
The calls to internal extensions are processing as they should.  However, I
do not see the external dial attempts ever getting to the server.  This is
odd because there is absolutely nothing in the programming of the phone that
distinguishes one from the other.  I had her key in several strings on
nonsense and I saw some, but not all of them.

So, I programmed another phone,  and tested it thoroughly from my own remote
location.  Phone works fine inbound and outbound.  I then shipped the phone
to the user.

User received new phone, plugged it in.  It registers to the Asterisk server
just fine.  It receives inbound calls, however this one cannot dial out at
all.  I see no dial attempts whatsoever on CLI.  If she plugs the old phone
back in, she can still dial internal extensions.  I know the problem is not
with the phone dial pattern, as I've had her key in the number and then
press the "Dial" key.  Besides, the phone worked 24 hours earlier from
a
different location.

The sip.conf configuration has not changed from when the phone worked
properly:

[1234]
type=friend
regext=1234
context=longdistance
secret=*********
callerid="User Name" <1234>
host=dynamic
qualify=yes
mailbox=1234
permit=0.0.0.0/0.0.0.0

I've checked all log files, and for the failed attempts I see nothing ever
getting to the server.  I don't think the problem is with the phone.

Any ideas, suggestions, etc., would be greatly appreciated.  If I need to
provide additional info please advise.  Thanks.

The information contained in this transmission may contain privileged and
confidential information. It is intended only for the use of the person(s)
named above. If you are not the intended recipient, you are hereby notified
that any review, dissemination, distribution or duplication of this
communication is strictly prohibited. If you are not the intended recipient,
please contact the sender by reply email and destroy all copies of the
original message.

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