#### For SIP provider 1 ###:

From CUCM:

voice class uri 1000 sip
 pattern :5560
!
voice class dpg 1000
 dial-peer 2001
!
dial-peer voice 1000 voip
 description ### Incoming from CUCM ###
 incoming uri via 1000
 destination dpg 1000
!


To CUCM:

voice class server-group 1001
 ipv4 [CUCM-IP] port 5560
!
dial-peer voice 1001 voip
 description ### Outgoing to CUCM ###
 session server-group 1001
 destination-pattern +AAAT --> Can be anything
!

From Provider 1:

voice class dpg 2000
 dial-peer 1001
!
dial-peer voice 2000 voip
 description ### Incoming from SIP-Provider 1 ###
 incoming called-number [DID-Range of SIP trunk 1]
 destination dpg 2000
!

To Provider 1:

voice class server-group 2000
 ipv4 [Provider IP]
!
dial-peer voice 2001 voip
 description ### Outgoing to SIP-Provider 1 ###
 session server-group 2000 or
 session target sip-server --> if using tenants
 destination-pattern +AAAT --> Can be anything
!

#### For SIP provider 2 ###:

From CUCM:

voice class uri 3000 sip
 pattern :5561
!
voice class dpg 3000
 dial-peer 4001
!
dial-peer voice 3000 voip
 description ### Incoming from CUCM ###
 incoming uri via 3000
 destination dpg 3000
!


To CUCM:

voice class server-group 3001
 ipv4 [CUCM-IP] port 5561
!
dial-peer voice 1001 voip
 description ### Outgoing to CUCM ###
 session server-group 3001
 destination-pattern +AAAT --> Can be anything
!

From Provider 2:

voice class dpg 4000
 dial-peer 3001
!
dial-peer voice 4000 voip
 description ### Incoming from SIP-Provider 2 ###
 incoming called-number [DID-Range of SIP trunk 2]
 destination dpg 4000
!

To Provider 2:

voice class server-group 4000
 ipv4 [Provider IP]
!
dial-peer voice 4001 voip
 description ### To SIP-Provider 2 ###
 session server-group 4000 or
 session target sip-server --> if using tenants
 destination-pattern +AAAT --> Can be anything