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AMA-CUCM Troubleshooting: Best Practices for Reading Trace Files

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Beginner

H.323 or MGCP

Hi All,

Which one is more stable in branch office setup with SRST support??

H.323 Gateway or MGCP Gateway.Also let me know the reason..Thanks.

Also let me know which is manageable.

Everyone's tags (2)
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Advocate

H.323 or MGCP

Hi,

MGCP - Centralised configuration of translation etc on the CUCM.

When an MGCP gateway fall back in to SRST it has to invoke a fallback protocol usually H323. You therefore need to configure

ccm fallback and a minimul dial peers etc for SRST.

H323 - You need to configure the dial peers etc locally on the router. Uses its defaault protocol of H323 for SRST.

You need to make a decision.

More config on CUCM  (MGCP)

or More config work on the gateway H323.

MGCP gateway shoew as registered on CUCM due the protocol being client/server.

H323 gateways show as unknown status as this is a PEER to PEER protocol

If you are using partial E1 trunks (IE less than 30 B-Channels on the trunk) to the pstn etc is better practise to use H323

HTH

Alex

Regards, Alex. Please rate useful posts.
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Cisco Employee

H.323 or MGCP

Hi,

There is a document that compares MGCP and H.323 Voice Gateway Protocol

http://www.cisco.com/en/US/tech/tk1077/technologies_tech_note09186a00806fedbe.shtml

MGCP is easier to configure but has limitations because CCM takes all decisions and only works on DNIS.

H323 requires more configuration because of dial-peers but work with ANI, DNIS and redirect number. You have a lot more control.

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