hi all, I need help ! What are Built-in Extension Numbers ? if i dial *69 with callreturn=yes in zapata.conf i don't get the last caller . How may i use Built-in Extension Numbers ? I should not add extensions in dial plan !? Harry from voip-info.org: There are some "extension numbers" that are built into the Zap channel module. You may override these in your Dialplan, i.e. these are used only if the number dialed does not match any of your Dialplan extension patterns. *0 Send hook flash *67 Disable Caller ID *69 Say last caller's Caller ID ("call return") *70 Disable call waiting *72 Activate "call forward immediate" *73 Deactivate "call forward immediate" *78 Enable "Do Not Disturb" *79 Disable "Do Not Disturb" *80 Add last caller's caller ID to blacklist *82 Enable Caller ID (only if disabled with *67) In addition, there are other codes that are not specific to the Zap channel module: *8# Callgroup pickup Vous manquez d?espace pour stocker vos mails ? Yahoo! Mail vous offre GRATUITEMENT 100 Mo ! Cr?ez votre Yahoo! Mail sur http://fr.benefits.yahoo.com/ Le nouveau Yahoo! Messenger est arriv? ! D?couvrez toutes les nouveaut?s pour dialoguer instantan?ment avec vos amis. A t?l?charger gratuitement sur http://fr.messenger.yahoo.com