[SR-Users] Tag maximum size/length

Jiri Kuthan jiri at iptel.org
Thu Mar 28 11:42:14 CET 2013


On 3/28/13 11:21 AM, Grant Bagdasarian wrote:
> Hello,
>
> Is there a maximum length/size defined for the From and To Tag?
>
> The RFC states: “it MUST be globally unique and cryptographically random with at least 32 bits of randomness”.
>
> Though I can’t find anything in the RFC about the maximum.
>
> The sip_capture table stores the to_tag and from_tag in a varchar(64). Does this mean the max is 64?
>
> Source: https://code.google.com/p/homer/source/browse/sql/create_sipcapture.sql

Yes, that's an implementation's limitation.

-jiri



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