Siemens 300 Series - Direct Trunk Select

3–16 ROLMphone 300/600 User Guide
Direct Trunk Select
Direct Trunk Select lets you choose a particular trunk
(outside line) for placing a call.
To choose a
trunk
➩
Get a dial tone.
➩
Press the Direct Trunk Select (DTS) key, or dial
# # 8.
➩
Dial the number assigned at the CBX for the
specific trunk you want.
➩
Dial the outside number.