11.5.1.2. timing device errors
MeetMe requires a timing mechanism. The asterisk software requires an external timer
because it does not have one internally. There are three timing sources that asterisk can
use: a Zaptel interface card, a USB UHCI-compatible root hub, or the "dummy" Zaptel
interface which uses the system clock.
The timing mechanism required by several Asterisk applications is a 1KHz interrupt. If you
are using recent kernels ( > 2.6.12), make sure to check in the kernel configuration, you
selected in processor type and features the timing to be 1000Hz fixed.
Things that require a timing device with asterisk:
- Meetme conferencing
- IAX trunking
- music on hold (not needed, but quality will be better if you have one).
- voicemail and everything that streams audio (not needed but quality will be better if you
have.)
*** This tutorial is in unfinished state! We public this article now in response to the multiple
questions we are receiving.
because it does not have one internally. There are three timing sources that asterisk can
use: a Zaptel interface card, a USB UHCI-compatible root hub, or the "dummy" Zaptel
interface which uses the system clock.
The timing mechanism required by several Asterisk applications is a 1KHz interrupt. If you
are using recent kernels ( > 2.6.12), make sure to check in the kernel configuration, you
selected in processor type and features the timing to be 1000Hz fixed.
Things that require a timing device with asterisk:
- Meetme conferencing
- IAX trunking
- music on hold (not needed, but quality will be better if you have one).
- voicemail and everything that streams audio (not needed but quality will be better if you
have.)
*** This tutorial is in unfinished state! We public this article now in response to the multiple
questions we are receiving.
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