Aastra Telecom 57I C53I manual 41-001160-00, Rev 01 Release Index-5

ring tones 148 configuring 151

RTP

configuring 56, 60 silenace suppression 59

RTP port 56

RTP settings 19 Basic Codecs 19

customizing Codec preference list 19 DTMF method 19

forcing RFC2833 out-of-band DTMF 19 silence suppression 19

S

SBG and ALG proxy 19 scrolling, status message 120, 41 silence suppression 59

SIP

advanced settings 53 configuring 47 overview of 43 parameter precedence 45

SIP Setting options display name 15 user name 15

SIP settings, network backup proxy port 16 backup proxy server 16 backup registrar 17 backup registrar port 17 outbound proxy port 17 outbound proxy server 16 proxy port 16

proxy server 16 registrar 17 registrar port 17 registration period 17

Softkey settings 108

softkeys 21 configuring 28

Softkeys and Programmable Keys locking 36, 131

softkeys, state-based 24

speeddial key	22
sprecode key	22
SRV lookup, configuring		46
status message beep
configuring in configuration files and Web UI			119
status message scrolling		41
configuring in configuration files and Web UI			120

Index

SIP settings, advanced 17 BLF subscription period 19 MWI subscription 17, 18 registration renewal timer 19 registration retry timer 18 Send Line Number 18 Send MAC Address 18 session timer 18

timer 1, 2 18 transaction timer 18 transport protocol 18

SIP settings, basic 15 authentication name 15 BLA number 16 calller ID 15

line mode 16 password 16 phone number 15 screen name 15

T

time servers, configuring 41 ToS 32

ToS, DSCP 14

troubleshooting 2

solutions to common problems 8

Tx/Rx adjustments about 146 configuring 147

U

upgrading, firmware 2

UPnP

configuring 29, 22 description of 28

User Guide, for IP phone xiv

41-001160-00, Rev 01 Release 2.0 Index-5