Linksys WIP310 SPA500 Series and WIP310 IP Phone Administration Guide - Page 241

Cisco SPA 500 Series and Wireless IP Phone Field Reference Regional Tab B Control Timer Values (sec) Parameter Reorder Delay Call Back Expires Call Back Retry Intvl Call Back Delay Interdigit Long Timer Interdigit Short Timer Description Delay after far end hangs up before reorder tone is played. 0 = plays immediately, inf = never plays. Range: 0-255 seconds. Defaults to 5. Expiration time in seconds of a call back activation. Range: 0-65535 seconds. Defaults to 1800. Call back retry interval in seconds. Range: 0-255 seconds. Defaults to 30. Delay after receiving the first SIP 18x response before declaring the remote end is ringing. If a busy response is received during this time, the IP phone still considers the call as failed and keeps on retrying. Defaults to 0.5. Long timeout between entering digits when dialing. The interdigit timer values are used as defaults when dialing. The Interdigit_Long_Timer is used after any one digit, if all valid matching sequences in the dial plan are incomplete as dialed. Range: 0-64 seconds. Defaults to 10. Short timeout between entering digits when dialing. The Interdigit_Short_Timer is used after any one digit, if at least one matching sequence is complete as dialed, but more dialed digits would match other as yet incomplete sequences. Range: 0-64 seconds. Defaults to 3. Vertical Service Activation Codes The following Vertical Service Activation Codes are automatically appended to the dial plan. Cisco SPA 500 Series and WIP310 IP Phone Administration Guide 230