[Asterisk-Users] Major problems with TDM400 and specific telephones: suggestions?

[Wilson Pickett]

> I have the same problems with siemens dect phones S100
> The caller id don't work on tdm...
> In France, the CID is differant than other country.
> Then standard ring cadence is: 1500 3000 1500 30000 and so...
> 
> The etsi standard (used in France) say:
> 
> The short ring is called Ring Pulse Alert Signal (RP-AS) . From ETSI EN 300
> 659-1 V1.3.1 (2001) :
>               200ms < RP-AS duration < 300ms
>               500ms < RP-AS to FSK < 800ms
>               200ms < FSK to FSK < 500ms
> 
> Try adding
> cadence=250,1500,1500,3000,1500,3000
> In zapata.conf
> 
> And use in extension.conf
> 
> exten => 200,1,Dial(Zap/1r1,20,tr)

That did it, the Siemens C200 Gigaset now receives callerID.

thanks again for posting the solution!