Cisco Cisco TelePresence Video Communication Server Expressway
n
_sip._tls.<fully.qualified.domain>
n
_sip._tcp.<fully.qualified.domain>
C-Series from version TC4.0 supports:
n
_sips._tcp.<fully.qualified.domain>
n
_sip._tcp.<fully.qualified.domain>
Cisco TelePresence MCU supports:
n
_sips._tcp.<fully.qualified.domain>
n
_sip._tcp.<fully.qualified.domain>
SIP DNS SRV records required:
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_sips._tcp.<fully.qualified.domain> Jabber Video (4.0 and later), C-Series (TC4.0 and later), VCS, MCU
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_sips._tls.<fully.qualified.domain> E20 to TE2.1
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_sip._tls.<fully.qualified.domain> MXP to F8.2, T150 to L6.0, Jabber Video prior to 4.0, C-Series prior to
TC4.0
TC4.0
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_sip._tcp.<fully.qualified.domain> All products for TCP
Checking DNS SRV settings
Checking DNS SRV settings via web interface
1. Go to
Maintenance > Tools > Network utilities > DNS lookup
.
2. Enter the SRV path in the Host field.
3. Click Lookup.
Nslookup
nslookup -query=SRV _sip._tcp.example.com
Dig
dig _sip._tcp.example.com SRV
; <<>> DiG 9.4.1 <<>> _sip._tcp.example.com SRV
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 44952
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 4
;; QUESTION SECTION:
;_sip._tcp.example.com. IN SRV
Cisco TelePresence VCS Cluster Creation and Maintenance Deployment Guide (X8.5)
Page 44 of 49
Appendix 6: Cluster name and DNS SRV records