02-21-2010 09:09 AM - edited 03-17-2019 09:56 PM
Hi, Please help me.
I have to implement VoIP using MPLS like following.
PBX-A---(E1)---Cisco2811---MPLS---Cisco3725---(E&M)---PBX-B
I need to configure Cisco2811 and need to ask PBX-A vendor to add E1 card and configuration to PBX-A.
Should I pay attention to CCS ( or CAS ) between PBX-A and Cisco2811 ?
Does It has nothing to do with this case ?
(FYI)
controller E1 1/0
framing crc4
clock source line
linecode hdb3
ds0-group 1 timeslots 1-8 type e&m-wink-start
02-21-2010 02:02 PM
Ask for ISDN PRI (CCS).
02-22-2010 02:59 AM
Thank you for your commnet. I really appreciate your answer.
Does it mean DS0 signaling require CCS ?
According to folloing URL, NM is available for both CCS and CAS.
http://www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a008039c333.shtml
Could you give me the refelence URL in detail which provide information regarding CCS required under this case?
I am really confused.
02-22-2010 08:13 AM
2811 does not require NM, use VWIC and PVDM2 directly.
It would be better if you engage a voice network engineer for the project, because if you have no experience it will take much time and errors for you to get it right.
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