On Dec 22, 2006, at 11:49 AM, Anton wrote:

Guys,

In a system with more than 8xE1 it's impossible to access
to /dev/zap/(channel no) channels higher than 255. ZAPTEL
Makefile generates only 255 instances and adjusting
Makefile to be generating more of them, makes any nodes
over 255 to be anyway dead (attempt to access returns (for
instance 256's node) "Cannot open "256" No such device or
address (6)" error. If someone could please give a clue how
to make them accessible, it will be highly appreciated. Is
it a linux limitation or just a variable in Zaptel sources?
Please help.

What do you need this for? If this is for asterisk, then you don't have anything to worry about. A very cursory overlook of chan_zap shows that it does not open the zap devices by those means. There is another mechanism for opening zap channels provided through /dev/zap/channel that gets around the limitation with devices nodes.

Matthew Fredrickson

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