You might also want to have a look at the “phonenum” module... https://www.kamailio.org/docs/modules/5.2.x/modules/phonenum.html
On Tue, Dec 4, 2018 at 19:12 Patrick Wakano <[email protected]> wrote: > Thanks for the replies guys! > I will probably add a length test to invalidate too short numbers! > By the way, I had a quick look in the ITU recommendation ( > https://www.itu.int/rec/T-REC-E.164/en) and looks like the short numbers > are for local purposes only being part of the "Non-ITU-T E.164 numbers" > section, so I guess the function should return false in this case. Also it > seems the + sign is recommended but not mandatory for a E.164 number, which > is quite confusing..... > > Kind regards, > Patrick Wakano > > > On Tue, 4 Dec 2018 at 08:57, Henning Westerholt <[email protected]> wrote: > >> Am Montag, 3. Dezember 2018, 06:08:27 CET schrieb Patrick Wakano: >> > I am using the is_e164() function to validate the number we receive, >> and I >> > come to see that the number +555 was accepted.... >> > After some googling it looks like(it is not very clear though) that 7 >> > digits are the minimum we could have for e164 numbers but after checking >> > the source code, I saw it accepts anything starting with + and having >> > between 2 and 16 numbers. So is it really valid to have a number with >> just >> > 2 digits? What is the case? >> >> Hello Patrick, >> >> I think the implementation was done with a pragmatic approach, to make >> sure >> that we don't reject numbers that are used in the field. The ITU standard >> Amendment A mentions the possibility to use national short numbers, for >> example. The standard mentions that the maximal length should be 15, but >> I >> think in this case this was also implemented a bit more relaxed. >> >> The original implementation from the enum module allows even longer >> numbers, I >> will check if this should be synchronized. >> >> Best regards, >> >> Henning >> >> >> -- >> Henning Westerholt - https://skalatan.de/blog/ >> Kamailio services - https://skalatan.de/services >> Kamailio security assessment - https://skalatan.de/de/assessment >> > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >
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