Hi jacobtoms
no, CallManager MGCP does not support E1 CAS (E1 R2) trunks.
this an advantage of H323 over MGCP that H323 supports more TDM interface types and signaling protocols than MGCP from among is E1 R2
see this:
http://www.cisco.com.ru/univercd/cc/td/doc/product/software/ios122/122newft/122limit/122x/122xn/122xn2/ft_ccm.htm
Benefits of Cisco VoIP Technology Using MGCP section under Restrictions.
hth
please remember to rate helpful posts
/majdi
