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A delay in calls coming through


badgewick

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  • 4 weeks later...

Well the caller-ID is transmitted between the first and the second ring. That's why analog phones with Caller-ID support first start ringing and then after that start showing the Caller-ID.

 

Unfortunately, the genius that specified SIP did not envision that and wrote that the caller-ID cannot be changed after call setup (though there is a new RFC that now starts supporting that, but procatically all SIP phones not support that yet). That is why the CS410 FXO gateway waits for the second ring before it sends the call to the SIP phone.

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  • 1 year later...
Well the caller-ID is transmitted between the first and the second ring. That's why analog phones with Caller-ID support first start ringing and then after that start showing the Caller-ID.

 

Unfortunately, the genius that specified SIP did not envision that and wrote that the caller-ID cannot be changed after call setup (though there is a new RFC that now starts supporting that, but procatically all SIP phones not support that yet). That is why the CS410 FXO gateway waits for the second ring before it sends the call to the SIP phone.

 

Sorry to re-open an old thread, but we are using this device in an Australian setup and have the same problem. As we don't even have caller ID enabled on the PSTN line as you have to pay for it (we use PSTN only to retain an old number and for emergency calls), can we disable the caller ID functionality in pbxnsip for that line to avoid the delay?

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Sorry to re-open an old thread, but we are using this device in an Australian setup and have the same problem. As we don't even have caller ID enabled on the PSTN line as you have to pay for it (we use PSTN only to retain an old number and for emergency calls), can we disable the caller ID functionality in pbxnsip for that line to avoid the delay?

 

You can not disable functionality today. But we may add a setting on the PSTN config page in 4.0 version.

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You can not disable functionality today. But we may add a setting on the PSTN config page in 4.0 version.

 

We have updated the binary to support this. Could you please PM to support@pbxnsip.com for the details? Also, please send the ssh information to the system(if possible) in the PM.

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