Can a E2U+SIP service type contain rn number

Wanted to understand, if in a ENUM RR, can service type "E2U+SIP" contain a rn number? IF yes, what is the practical use of having a rn number in E2U+sip rather than E2U+pstn Does any RFC specify carrying rn number in E2U+SIP Thanks Harshith ___ P

Re: DDNS - limitation and excluding updates from certain networks

Hello Hans, Am Mittwoch, den 20.12.2017, 12:39 + schrieb MAYER Hans: > > Dear All, > > My environment: We are using the latest version of BIND and DHCP from > ISC. Our workstations ( mostly Windows and some Mac ) are in certain > networks. Only these networks are allowed to do dynamic DNS up