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- Wed Jan 16, 2013 6:59 am
- Forum: H.323 (Packet-Switched Multimedia Systems)
- Topic: H.323 vs. SIP
- Replies: 10
- Views: 19755
H.323 and the SIP (Session Initiation Protocol) are protocol standards of IP telephones. The current version of H.323 is version 4 . SIP is an older protocol when compared to H.323. H.323 is more robust and inter-operable when compared to SIP.