Differences

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--- sip:locating_sip_services [2010/11/01 12:26] – created tibor
+++ sip:locating_sip_services [2011/06/21 13:50] (current) – vopatek
@@ Line 7: / Line 7: @@
 DNS is the mechanism for determining the IP address, port and transport protocol of the host to which a SIP request is sent.
-DNS provides two different record types that controls SIP requests: SRV and NAPTR. The SRV record allows DNS administrators to use several servers for a single domain. The NAPTR record is a way for the called domain to specify which protocol it prefers a SIP request to use.
+DNS provides two different record types that controls SIP requests: SRV and NAPTR. The SRV record allows DNS administrators to use several servers for a single domain. The NAPTR record is a way for the called domain to specify which protocol it prefers a SIP request to use.\\
+The usage of NAPTR and SRV for SIP is specified in [[http://www.ietf.org/rfc/rfc3263.txt|RFC3263]].
 ===== Setting up SRV Records =====
@@ Line 20: / Line 21: @@
 "_sip._udp.company.com 432000 IN SRV 10 10 5060 sip.company.com"
-| Service: _sip	| The service is SIP. |
+| Service: _sip	| The service is SIP. Can also be _sips for TLS encrypted communication.  |
-| Protocol: _udp	| The protocol is UDP.\\ Other values: TCP, SCTP or TLS. |
+| Protocol: _udp	| The protocol is UDP. Other values: _tcp or _sctp. |
 | Name:	| |
 | Cache lifetime\\ 43200	| 43,200 seconds = 12 hours. |
@@ Line 53: / Line 54: @@
 | Replacement:\\ _sip._tcp.company.com	| This is the next domain-name to query for depending on the potential values found in the flags field.|
-The SRV records are specified in [[http://www.ietf.org/rfc/rfc3403.txt|RFC3403]].
+The NAPTR records are specified in [[http://www.ietf.org/rfc/rfc3403.txt|RFC3403]].