If an order has been pending for a long time, you should contact your AT&T Account Team or the AT&T Worldwide Customer Service Center at 1-877-212-9500, prompts 1, 2, then 1.

I placed an online order for VTNS, OneNet or SDN switched voice service and it has been pending for a long time. What should I do?
If an order has been pending for a long time, you should contact your AT&T Account Team or the AT&T Worldwide Customer Service Center at 1-877-212-9500, prompts 1, 2, then 1.