0
votes
0answers
49 views

Switch from E1 to Analog PSTN line on IP-PBX failure

I have two Asterisk servers, E1(PRI) Gateway Asterisk 1.4 with E1(PRI) card IP-PBX Asterisk 1.8 on VM Server When my e1 gateway is failed (ex. shutdown, no power...), PSTN automatically switch to ...
1
vote
1answer
109 views

SIP me@domain.com vs (123) 456-7890

I'm trying to understand SIP, and one thing that keeps confusing me is phone numbers and dialing plans vs SIP URI's like me@domain.com. What is the difference? How do they coexist/work together? For ...
4
votes
4answers
605 views

What does “non-IP” originated traffic mean in a TOS?

I am looking at VoIP providers and many of them have a part of their TOS that says they don't allow "non-IP originated traffic." Excerpt from TOS: You shall only send to [DELETED COMPANY NAME] ...
0
votes
0answers
134 views

Internal VOIP to external PSTN

I need to install 5 telephones in our new offices, however, we have very limited bandwidth so I don't think a VOIP provider will be a realistic option. I have had two standard land lines installed for ...
1
vote
0answers
677 views

Site B FXO configuration for incoming calls

I am trying to configure the FXO port (voice-port 4) on a Cisco SRST881. Currently, there is one working remote extension here (ext 50) and all calls originate from our main office. My goal is to ...
3
votes
1answer
167 views

Asterisk: Got 2 PSTN numbers, want to go IP. Need a card

I'm familiar with Networking, VoIP, Asterisk and Linux... but I've never deployed a VoIP with PSTN. I've got one week to deploy VoIP + 2 PSTN numbers, I don't mind reading like crazy but I would like ...
0
votes
2answers
187 views

routing calls from landline to end user cell phones

I have to setup a server to route telephone calls coming to a particular landline no to cell phone phones depending upon the availability of user. I want to know what technology call centres or ...
0
votes
3answers
64 views

Autodialing software?

I need to have a computer automatically call my office and maintain the telephone connection for at least 2 minutes. The reason for this, is I've contracted with a squirrelly VOIP provider that I ...