Contents

SIP Features

57

P-Asserted-Identity (PAI) Support in UPDATE message

57

DTMF Tones in Info Requests

57

Ignore Out of Sequence Errors

58

SIP BLA Expires Timer

59

Troubleshooting Features

61

WatchDog Task Feature

61

Issues Resolved in Release 2.3

63

Contacting Aastra Telecom Support

65

iv

RN-001029-02, Release 2.3, Rev 00

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Aastra Telecom CT9143i manual WatchDog Task Feature