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Quintum A400 Release Note

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Welcome to This Special Edition of 
Tenor
®
Notes
 
for May, 2003
 
 
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The Tenor A400 and A800 
have successfully completed 
Nortel Networks’ Developer Program compatibility testing 
and are now recognized as Nortel Networks Compatible 
Products* to support their branch office installations 
for the Nortel Succession 1000 IP PBX.  
 
Quintum’s Tenor Switch delivers an effective branch office 
VoIP solution for the Nortel Networks Succession 1000.  
The Tenor’s unique MultiPath architecture provides 
intelligent call routing and complete support for the 
branch office networking on the Succession 1000, 
including: 
 
♦ Connectivity between the PSTN and the 
Succession 1000 network;  
♦ Connectivity between
 
analog phones, fax 
machines, and the Succession 1000 Network;  
♦ PSTN “hop off” and “hop on.”
 
 
Tenor Switches offer FXS and FXO connections in addition to a VoIP interface to the IP network.  This allows Succession 
1000 users to build a much more flexible VoIP network.  In addition to providing traditional analog phones and fax 
machines full access to the Nortel Networks Succession 1000 network, Tenor Switches also allow the Succession 1000 
network access to the remote office PSTN for local calls. 
 
The Succession 1000 can route calls from IP phones and analog devices over the IP network to a Tenor at another 
location, where the calls can then “hop off” onto the PSTN.  This allows Nortel Networks customers to achieve even 
greater cost savings by using the corporate network to bypass long distance and international toll charges.  The Tenor 
also enables calls from the PSTN to “hop on” to the VoIP network and get routed to the appropriate end-point (whether 
its an IP phone or analog device) anywhere on the network.  This allows the network 
to be further leveraged by remote and/or mobile users.  Access to the VoIP network 
from the PSTN can be authorized via internal IVR prompts and PIN codes. 
 
In combined Succession 1000/Tenor environments, the Succession 1000 provides 
Nortel Networks’ feature set to Nortel Networks IP phones and provides key call 
processing and calling features for analog phones.  If the branch office loses 
connectivity to the Succession 1000, the Tenor ensures that all calls from analog 
devices connected to the Tenor will be completed by automatically routing all calls over the PSTN network.  Tenor 
Switches therefore radically reduce the risk of VoIP deployment. 
 
The Tenor’s integrated “gatekeeper” functionality provides an additional level of reliability.  This gatekeeper can be 
configured as a secondary gatekeeper to support the VoIP network.  If connectivity with the  Succession 1000 is lost, 
the Tenor’s gatekeeper will take over the call processing for the Tenor analog endpoints.  This will allow the VoIP 
network to remain functional between all the branch offices for calls from the analog phones connected to the Tenor.  
The analog phones will support basic calling functions, and all connectivity provided by Tenor Switches will continue 
uninterrupted. 
 
Tenor’s completeness, ease of ownership and reliability make it the ideal solution for the remote office.  There’s no 
better way for Succession 1000 to build a reliable, high-performance VoIP network – whether you’re connecting a few 
buildings on a campus or dozens of locations around the world. 
 
*The Quintum Tenor A400 and A800 Release H.323 Release 3.1.0 with software patch H.323 Release 3.1.1, was verified as 
compatible with Succession 1000 Release 2 with software patch MPLR 17183 and MPLR16866 in a controlled laboratory environment.