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This is a collection of H.323/SIP comparisons, listed in roughly chronological order, that range from accurate and up-to-date to egregious and obsolete. Responses that were originally sent as private email have been edited slightly.
| Title | Date | Response |
|---|---|---|
Service Architectures in H.323 and SIP: A Comparison
|
4th Quarter 2003 | NA |
SIP Vs. H.323 - A Comparison
|
2003 | NA |
At-a-glance comparison of H.323, SIP, and H.248(Megaco)/MGCP
|
2002 | NA |
| Two VoIP protocols compared | December 24, 2001 | Our response |
| SIP and H.323 | 2001 | Our response |
| H.323 vs. SIP Telephony | 2001 | Our response |
SIP and H.323 For Voice/Video Over IP -- Complement, Don't Compete
|
August 2001 | Our response |
Service Architectures in H.323 and SIP--A Comparison
|
July 2001 | No response |
Voice Over Internet Protocol (VoIP)- current technology and comparison of H.323 with SIP - |
May 2001 | Our response |
| SIP Rules! | May 1, 2000 | Our response |
| Comparison of H.323 and SIP for IP Telephony Signaling | September 1999 | No response |
| A Comparison of SIP and H.323 for Internet Telephony | July 1998 | So old, not worth responding to |
| Comparison of H.323 and SIP | 1998? | So old, not worth responding to |
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