Thanks everybody for your input. Let me summarize localization process :
1. Buring boot, phones download from TFTP server an xml or older .cfg file in which a localization parameter is set. 2. When this parameter is read, phones will then ask CCM or Asterisk or another server to send localized button templates using SIP messages. 3. When SIP messages are received, phones will then localize buttons and menus. 4. Whenever an incoming or outgoing call is processed, phones will no further ask any localization data from CCM or Asterisk or anything as localization was fully done during initialization process. A. Is this correct ? Specifically, shall I understand that if present initialization process is extended to include localization, there will be no need to change Asterisk SIP channel to fully support localized Cisco phones ? B. What are the SIP messages that trigger and reply to localization demands ? Is it possible to tailor dialplan so that these Cisco specific messages are treated without modifying chan-sip ? Cheers
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