Enhanced phone functions

Step by step

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*51=Trunk flash?

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Send trunk flash (not for HiPath 500)

To activate ISDN-type services and features through the network carrier’s analog trunks or those of other com- munications platforms (such as "consultation hold"), you must send a signal to the trunks before dialing the ser- vice code or telephone number.

Prerequisite: You have set up an external connection.

Press the key shown.

Select and confirm the option shown.

Enter the service code and/or telephone number.

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Sony 500 manual Send trunk flash not for HiPath