PLANET VIP-251T - Manual (Page 55)

Test the scenario:
1. VIP-251T_C pick up the telephone
2. Dial the number 1001(VIP-251T_A)
3. Because VIP-251T_A had set up All forward function to the Number 2002 (VIP-251T_B)
4. The number 2002 (VIP-251T_B) will ring up then it pick up the telephone and communication
with the number 3003(VIP-251T_C).
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