Cisco Cisco TelePresence Video Communication Server Expressway
Appendix 11 – Cluster name and DNS SRV records
Endpoints supporting SIP DNS SRV
Movi versions prior to 4.0 supports:
_sip._tls.<fully.qualified.domain>
_sip._tcp.<fully.qualified.domain>
Movi version 4.0 and later supports:
_sips._tcp.<fully.qualified.domain>
_sip._tcp.<fully.qualified.domain>
E20 version TE2.1 supports:
_sips._tls.<fully.qualified.domain>
_sip._tcp.<fully.qualified.domain>
MXP version F8.2 supports:
_sip._tls.<fully.qualified.domain>
_sip._tcp.<fully.qualified.domain>
T150 version L6.0 supports:
_sip._tls.<fully.qualified.domain>
_sip._tcp.<fully.qualified.domain>
C-Series versions prior to TC4.0 supports:
_sip._tls.<fully.qualified.domain>
_sip._tcp.<fully.qualified.domain>
C-Series from version TC4.0 supports:
_sips._tcp.<fully.qualified.domain>
_sip._tcp.<fully.qualified.domain>
Cisco TelePresence MCU supports:
_sips._tcp.<fully.qualified.domain>
_sip._tcp.<fully.qualified.domain>
SIP DNS SRV records required:
_sips._tcp.<fully.qualified.domain> Movi
(4.0 and later), C-Series (TC4.0 and later),
Cisco VCS, MCU
_sips._tls.<fully.qualified.domain>
E20 to TE2.1
_sip._tls.<fully.qualified.domain> MXP
to
F8.2, T150 to L6.0, Movi prior to 4.0,
C-Series prior to TC4.0
_sip._tcp.<fully.qualified.domain>
All products for TCP
Note:
UDP is not a good transport medium for video – SIP messaging for video systems is too large to
be carried on a packet based (rather than stream based) transport. UDP is often used for audio
only devices.
be carried on a packet based (rather than stream based) transport. UDP is often used for audio
only devices.
_sip._tls,<fully.qualified.domain> is an SRV record also used by Microsoft OCS Edge servers.
Cisco VCS Deployment Guide: Cluster creation and maintenance (Cisco VCS X5)
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