[cisco-voip] CME with SIP Trunk Call Forwarding from external not working

[Olaf Goy]

Thanks Erick, I did a debug but I am no wiser.

The output of the debug doesn't even show the mobile/cell that the call is being forwarded to. I am thinking that I need to find someone here to look at this.
> On 25 Feb 2015, at 12:07 , Erick Bergquist <erickbee at gmail.com> wrote:
> 
> debug ccsip messages
> 
> You likely have a Diversion header or PAI with your cell  # as
> redirecting number and provider probably doesn't like that (or far
> end) and you'll need to use a sip profile to modify it or strip the
> header off.
> 
> 
> On Tue, Feb 24, 2015 at 6:02 AM, Walenta, Philip
> <Philip.Walenta at polycom.com> wrote:
>> It’s been a while sinceI’ve done CME, but if I remember correctly adding the
>> following should allow it to work:
>> 
>> 
>> 
>> Voice service voip
>> 
>>                Allow-connections sip to SIP
>> 
>> 
>> 
>> 
>> 
>> That lets the router permit/make hairpin sip to sip connections (I think).
>> 
>> 
>> 
>> From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of
>> Olaf Goy
>> Sent: Tuesday, February 24, 2015 2:15 AM
>> To: cisco-voip at puck.nether.net
>> Subject: [cisco-voip] CME with SIP Trunk Call Forwarding from external not
>> working
>> 
>> 
>> 
>> Hi,
>> 
>> 
>> 
>> I am an absolute novice when it comes to VoIP and I haven't touched an IOS
>> device in more than 10 years. However, this hasn't stopped me from setting
>> up CallManager Express on a 2951 for a small business. Everything works fine
>> except for one small issue and I was hoping that the community could get me
>> on the right track.
>> 
>> 
>> 
>> I have setup call forwarding to my mobile/cell on an extension. This works
>> perfect when I call the extension from internal i.e. ext 3004 forwards to
>> 0416845111. When I call 3004 from ext 3002, the cell rings.
>> 
>> 
>> 
>> The issue is when I call from outside using DID 4545 3004 it doesn't work. I
>> get an annoucencement ‘The number you have dialled is not in service’.
>> 
>> 
>> 
>> I already spoke to our SIP trunk provider and they reckon it is a missing
>> dial peer. Now, I understand precious little about dial peers or patterns. I
>> have tried debugging but this didn't provide anymore insight into the issue.
>> 
>> 
>> 
>> We only use a SIP trunk so I am not sure whether there is any security
>> feature set up that is meant to stop toll fraud or whether this is a number
>> translation problem. No idea.
>> 
>> 
>> 
>> Anyone willing to help me out?
>> 
>> 
>> 
>> Thanks a lot.
>> 
>> 
>> 
>> Regards,
>> 
>> Olaf
>> 
>> 
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