DAHDI Error

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Asterisk Users No Comments

Hi,

Sometimes calls on Asterisk fail to connect to DAHDI channels and giving
below error:

Unable to create channel of type ‘DAHDI’ (cause 34 – Circuit/channel
congestion)

There are 8 E1 connected on server and only 15-20 simultaneous calls. All
channels and E1 are showing in service without any alarms.

Could anyone please let me know why this is happening?

Thanks