search for: callfind

Displaying 3 results from an estimated 3 matches for "callfind".

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2007 Feb 07
1
Large number of prefixes in a route to a trunk
We're beginning to test MultiTech's CallFinder CDMA Units, one for Sprint PCS and one for Alltel. They sell both. Our intent is to use them as a backup line for our main office (which has a PRI) and a backup/911 line for our remote offices which are all connected via * over a VPN with no local trunks at any of them. In the interest of maxi...
2007 Jan 15
3
Practical limit on dial prefixes for a route
Colleagues, We're in the process of standardizing on Sprint PCS and Cingular phones on a national basis (~ 50 properties, 1000's of lines). I manage an Asterisk install at one location. I've been looking at the Multitech CellFinder CDMA for Sprint as a dial backup solution. Basically, it's a CDMA to POTS gateway, tied to a PCS account. We would see it as a trunk line and I
2008 Dec 06
2
Sip Node w/ 4 wire audio & AT command set call supervision
I have several discontinued Sierra Wireless MP775 mobile GSM/EDGE radio modems. These devices were originally installed in emergency vehicles to provide data and voice access along with GPS reporting. They have external RF connections for GSM/EDGE and GPS signals. The baseband side includes four wire audio, RS-232 serial, USB and some parallel digital I/O for panic switches etc. GSM voice