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Reply To: Switch Planning for GSM

#33891
Nguyen
Guest

Plz be noted that the A-party number always present in the ISUP IAM message. If it does not present, the target exchange may request it from the source exchange by sending the INR message (so the source exchange should response by INF message that contain the calling party number).

The A-party can only hide its number by including the CLIR flag in the IAM message.

Nguyen