trunk type on pabx betweeen cisco router

[jemekeren]

hi what kind of trunk type supported between cisco router and pabx.. is it e1 or t1? and is there configuration guide to install them with dialpeer too? tx ;)

[j-block]

E1 or T1 can be used for integrating PBX to Cisco Router

http://cisco.com/application/pdf/en/us/guest/products/ps266/c1237/ccmigration_09186a00800e0da3.pdf