network problems

Have installed trixbox no problem have setup 25 extension with voice mail and stuff also no problem but when i call from one extension to another i have aprox. 6 sec. of excellent quality and then my entire lan goes bananas i have ping times of 4000 ms on servers which have nothing to do with sip please help
Have installed trixbox no problem have setup 25 extension with voice mail and stuff also no problem but when i call from one extension to another i have aprox. 6 sec. of excellent quality and then my entire lan goes bananas i have ping times of 4000 ms on servers which have nothing to do with sip please help
Created by: notsosmart, Last modification: Mon 09 of Jun, 2008 (16:52 UTC)
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