0
votes
0answers
58 views

Connect Cisco IP phone on two Asterisk sip servers

I have a cisco ip phone with sip firmware v9.3.1. I want to connect two lines on two seperate Asterisk sip servers. In section i can only define USECALLMANAGER (in node) and not the IP of an ...
1
vote
0answers
98 views

Connect Cisco 7975 VOIP phone to two separate Asterisk PBX's

I have a Cisco 7975 registered on an Asterisk SIP server, and I want to register a second line on a second (different IP) Asterisk SIP server. I tried to do this with firmware version 8.5.3 but it ...
1
vote
1answer
994 views

How to configure a 2821 ISR to an asterisk PBX on a PRI line?

I'm trying to move my company's phone system from Cisco's CUCM to an asterisk solution. I have setup a PBXinaflash server, and setup an account with www.vitelity.com. I was able to get it working. ...
3
votes
1answer
339 views

Asterisk can't make nor receive calls through a T1 PRI interface to a Cisco 2430 router

I have an Asterisk 1.8 phone switch with a Digium T1 card. It runs using 5ESS PRI through our present phone provider without a problem. However, we're contemplating switching to Time Warner's fiber ...
0
votes
0answers
29 views

ASA 5505 base license and Voice vlan [duplicate]

My current setup contains a cisco asa 5505 with two cisco sf300-24p switches, the data and voice vlans have been setup on the switches and I've started to setup the needed vlans on the ASA, but it ...
3
votes
2answers
5k views

Inbound SIP calls through Cisco 881 NAT hang up after a few seconds

I've recently moved to a Cisco 881 router for my WAN link. I was previously using a Cisco Linksys WAG320N as my modem/router/WiFi AP/NAT firewall. The WAG320N is now running in bridged mode, so it's ...
1
vote
1answer
170 views

Provisioning SIP Phones over the internet

I have a few SIP Phones that are located of site and connect to my PBX over the internet to make calls. For some reason one of these phones has become unprovisioned. In my office phones get ...
1
vote
1answer
413 views

Configuration of a Cisco IP Phone 7916 and 7975g

Hi everyone, I would appreciate some help configuring my Cisco IP Phone 7975. In fact the phone works well with the SIP firmware (version SIP75.8-4-1ES2) and an Asterisk Server. Now I would like to ...
0
votes
3answers
922 views

Does the Cisco SPA range of phones work with CallManager/CME?

I have about 15 phones and am looking to upgrade from asterisk to an all Cisco solution. Do we need to replace the phones as well?
2
votes
1answer
375 views

Asterisk IVR server in a Cisco VoIP system

Here's my situation: We have a Cisco VoIP system that we're very happy with, but I need to implement an IVR application on top of it. My thought is that a virtual machine running Asterisk and an AGI ...
5
votes
4answers
2k views

Google Contacts on IP phones via asterisk PBX

I've skimmed google on this but haven't found anything too useful. Is there a way to use Google Contacts with a HardPhone supported by Asterisk PBX? Google contacts is exposed thru a MSExchange ...