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12 users at the remote site
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How can I get one of the below options to work<br />
since I don't want to run a hardwire 1/2 mile long ?<br />
<br />
Option #1<br />
&nbsp; ** below existing &quot;Building #2 -- Cisco Call Manager Express&quot;<br />
&nbsp; &nbsp; &nbsp;transfers calls back to the non-VOIP Avaya Definity<br />
<br />
Option #2<br />
&nbsp; ** trash the &quot;Cisco Call Manager Express&quot; and <br />
&nbsp; &nbsp; &nbsp;purchase something else that will work<br />
--------------------------<wbr />----------<wbr />----------<wbr />----------<wbr />------<br />
Building #1<br />
&nbsp; ** AT&amp;T MPLS into main building<br />
&nbsp; ** AT&amp;T managed router does a PRI handoff to <br />
&nbsp; &nbsp; &nbsp;non-VOIP Avaya Definity G3 V6 PBX with 2 T1 cards<br />
<br />
Building #2<br />
&nbsp; ** 1/2 mile away from main building<br />
&nbsp; ** gets to main building's fileservers via meraki.com <br />
&nbsp; &nbsp; &nbsp;point-to-point connection
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How can I get one of the below options to work
since I don't want to run a hardwire 1/2 mile long ?

Option #1
  ** below existing "Building #2 -- Cisco Call Manager Express"
     transfers calls back to the non-VOIP Avaya Definity

Option #2
  ** trash the "Cisco Call Manager Express" and 
     purchase something else that will work
--------------------------------------------------------------
Building #1
  ** AT&T MPLS into main building
  ** AT&T managed router does a PRI handoff to 
     non-VOIP Avaya Definity G3 V6 PBX with 2 T1 cards

Building #2
  ** 1/2 mile away from main building
  ** gets to main building's fileservers via meraki.com 
     point-to-point connection

Avaya Definity PBX with meraki.com ?

Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, broadband telephony, and broadband phone service. The term specifically refers to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN).  Examples of the VoIP protocols are H.323, Media Gateway Control Protocol (MGCP), Session Initiation Protocol (SIP), H.248 (also known as Media Gateway Control (Megaco)), Real-time Transport Protocol (RTP), Real-time Transport Control Protocol (RTCP), Secure Real-time Transport Protocol (SRTP), Session Description Protocol (SDP), and Inter-Asterisk eXchange (IAX).

Voice Over IP

IP telephony (Internet Protocol telephony) is a general term for the technologies that use the Internet Protocol's packet-switched connections to exchange voice, fax, and other forms of information that have traditionally been carried over the dedicated circuit-switched connections of the public switched telephone network (PSTN). Using the Internet, calls travel as packets of data on shared lines, avoiding the tolls of the PSTN. The challenge in IP telephony is to deliver the voice, fax, or video packets in a dependable flow to the user.

IP Telephony

Telecommunication occurs when the exchange of information between two or more entities (communication) includes the use of technology. Communication technology uses channels to transmit information (as electrical signals), either over a physical medium (such as signal cables), or in the form of electromagnetic waves. The word is often used in its plural form, telecommunications, because it involves many different technologies.