Re: [Sip-implementors] SIP Domain with single part

2017-01-03 Thread Dale R. Worley
Varadhan Work writes: > Is it legal to have SIP domain name in SIP packet with only one single part > without top level domain name ? In both the general domain name syntax and in RFC 3261, section 25.1, production "hostname" you can see that a domain name with only one label is syntactically *le

Re: [Sip-implementors] SIP Domain with single part

2017-01-03 Thread kamini gangwani
Hi Varadhan, As per RFC-3261, hostname should be like: hostname = *( domainlabel "." ) toplabel [ "." ] domainlabel = alphanum / alphanum *( alphanum / "-" ) alphanum toplabel = ALPHA / ALPHA *( alphanum / "-" ) alphanum It means SIP Domain name should

Re: [Sip-implementors] SIP Domain with single part

2017-01-03 Thread Brett Tate
Hi, >From a SIP perspective, I'll assume that you are asking about hostname. See the ABNF within RFC 3261 section 25.1. It appears to allow a single part (i.e. toplabel). See Paul's response for more details. > -Original Message- > From: sip-implementors-boun...@lists.cs.columbia.edu [m

Re: [Sip-implementors] SIP Domain with single part

2017-01-03 Thread Paul Kyzivat
On 1/3/17 2:08 AM, Varadhan Work wrote: Hello, Is it legal to have SIP domain name in SIP packet with only one single part without top level domain name ? In general domain name syntax *A domain name consists of one or more parts, technically called labels, that are conventionally concatenated

[Sip-implementors] SIP Domain with single part

2017-01-03 Thread Varadhan Work
Hello, Is it legal to have SIP domain name in SIP packet with only one single part without top level domain name ? In general domain name syntax *A domain name consists of one or more parts, technically called labels, that are conventionally concatenated, and delimited by dots, such as example.c