Grandstream Networks HT503 FXS/FXO Manual De Usuario

 

Block Caller ID (for all subsequent calls) 

Send Caller ID (for all subsequent calls) 

Direct IP Calling. Dial “*47” + “IP address”. No dial tone is played in the middle. Detail see Direct 
IP Calling section on page 12. 

Disable Call Waiting (for all subsequent calls) 

Enable Call Waiting (for all subsequent calls) 

Block Caller ID (per call). Dial “*67” + ” number ”. No dial tone is played in the middle. 

Send Caller ID (per call). Dial “*82” + ” number ”. No dial tone is played in the middle. 

Call Return Service: Dial *69 and the phone will dial the last incoming phone number received. 

Disable Call Waiting (per call). Dial “*70” + ” number ”. No dial tone is played in the middle. 

Enable Call Waiting (per call). Dial “*71” + ” number ”. No dial tone is played in the middle. 

Unconditional Call Forward:  Dial “*72” and then the forwarding number followed by “#”.  Wait for 
dial tone and hang up. (dial tone indicates successful forward) 

Cancel Unconditional Call Forward.  To cancel “Unconditional Call Forward”, dial “*73”, wait for 
dial tone, then hang up. 

Enable Do Not Disturb (DND): When enabled all incoming calls are rejected. 

Disable Do Not Disturb (DND): When disabled, incoming calls are accepted. 

Busy Call Forward:  Dial “*90” and then the forwarding number followed by “#”.  Wait for dial tone 
then hang up. 

Cancel Busy Call Forward. To cancel “Busy Call Forward”, dial “*91”, wait for dial tone, then 
hang up. 

Delayed Call Forward. Dial “*92” and then the forwarding number followed by “#”.  Wait for dial 
tone then hang up. 

Cancel Delayed Call Forward.  To cancel Delayed Call Forward, dial “*93”, wait for dial tone, 
then hang up. 

Toggles between active call and incoming call (call waiting tone). If not in conversation, flash/hook 
will switch to a new channel for a new call. 

# 

Pressing pound sign will serve as Re-Dial key. 

LEDs  

 

Indicates Power. Remains ON when power is connected 

Indicates LAN (or WAN) port activity 

Indicates PC (or LAN) port activity 

Indicates the status of the FXS port and FXO ports on the 
back panel. 
Busy – ON (Solid Green)  Available – OFF 
Slow blinking FXS LEDs indicates voicemail for that port. 

Note: Slow blinking of POWER, WAN, and LAN LEDs together indicate firmware upgrade/provisioning state. 

Grandstream Networks, Inc. 

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