The present invention relates to methods and arrangements to monitor non-local originating calls in a telecommunication system TS comprising a local network part PLMN-A; MSCl and a non-local network part PSTN; MSC2. A monitoring centre MC is attached to an Intercept Access Point IAP in the local network part. The method comprises the following steps: - A monitoring request comprising an external target identification is received from the monitoring centre MC to the Intercept Access point IAP. - A call is set-up of from an originating subscriber Al, A2 in the non-local network part, towards the local network part. - An Initial Address Message IAM comprising the originating subscriber' s identity is received to the Intercept Access point IAP from the non-local network part PSTN; MSC2. - A match is found between the Initial Address Message IAM and the received target identification. - Monitoring information IRI, CC related to the matched target is transferred from the Intercept Access Point IAP to the monitoring centre.
