[Asterisk-Users] Asterisk SIP channel (PSTN Calls)

[Walid Azab]

Hello Every one
 
I need to enable Asterisk to route external land line calls to the PSTN.
Regarding our environment, we have Cisco CallManager (3.3.4) to which IP
phones are connected. E1 terminated on a couple of As 5300's which are
controlled by a soft switch (Cisco PGW200 Call Control).
 
What is the best scenario to route external calls to PSTN. Should I use SIP
or just connect Asterisk to Cisco CCM. Any technical details are very much
appreciated.
 
Thanks
Walid
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