11.1.1 PBX Configuration—[3-1-1] Group—Trunk Group—TRG Settings—Main
→ CO-CO Duration Time (*60s)
→ Extension-CO Duration Time (*60s)
15.5 PBX Configuration—[7-5] TRS—Miscellaneous
—
Dial Digits Limitation After Answering—Dial Digits
Feature Guide References
5.1.1 Class of Service (COS)
Feature Guide 165
2.11.8 Trunk Call Limitation