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Hi ,
i need a brief call flow messages on below call flow scenario .
SIP Phone -->CUCM-->H.323-->PSTN
1.what are all the messages between SIP Phone and CUCM
2.messages between CUCM & H.323
3.messages between H.323 & PSTN
i am being more specifi...
I know SIP utilizes Bandwidth , and there is no concept of channels like T1,E1 .
I need to now if i need 100 calls coming IN & OUT from my Organization .how much bandwidth will be required for SIP Trunk .?
To accomplish this requirement do we need mo...
Is there any way we can deploy Cisco UCM on AWS/Azure Cloud ?
can somebody guide me how to HCS system gets deployed on Cloud ? is it only deployed & maintained by Cisco ?
Regards,
Satya
1.why mtp is required for outgoing call in fast start?
2.why mtp is not required for incoming call in fast start?
3.if we use cucm mtp where media stream is terminated?
4.if we use router mtp where media stream is terminated?
Thanks &Regards,
Satya
found a very useful link
https://community.cisco.com/t5/collaboration-voice-and-video/unified-communications-call-flow-in-an-enterprise-network/tac-p/3142772#M5781
Hi Sreekanth ,Thanks for your kindly reply.I am more specific on what messages from CUCM to H.323 , when CUCM receives call from a SIP Phone ?Regards,Satya
Thanks everyone for the kind reply .
i am learning SIP and have some more queries.
lets say there are 3 CUCM clusters and for calling between the cluster we create SIP Trunk .
do we require dial peers along with sip trunk in order to reach from one...
Thanks for reply Java those docs you provided is HCS based .I am looking something we can deploy UCM on cloud other than HCS is there any way Cisco Supports those deployments on Azure/AWS ?Regards,Satya
