Well, I have to revive this thread. The AT&T issue has been resolved. We're now getting our full 10M throughput. I've gotten "insufficient bandwidth" errors two days in a row.

Today
-02:249- 13:00 11-25 A032 ALARM '1026' Received Insufficient Bandwidth
-02:250- 13:00 11-25 A032 ALARM '1165' Received Insufficient Bandwidth
-02:251- 13:00 11-25 A032 ALARM '1194' Received Insufficient Bandwidth
-02:252- 13:00 11-25 A032 ALARM '1091' Received Insufficient Bandwidth
-02:253- 13:00 11-25 A032 ALARM '1196' Received Insufficient Bandwidth
-02:254- 13:00 11-25 A032 ALARM '1198' Received Insufficient Bandwidth
-02:255- 13:00 11-25 A032 ALARM '1224' Received Insufficient Bandwidth
-02:256- 13:00 11-25 A032 ALARM '1019' Received Insufficient Bandwidth
-02:257- 13:01 11-25 *** offhook_idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:258- 13:01 11-25 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:259- 13:01 11-25 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:260- 13:01 11-25 *** offhook_idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:261- 13:01 11-25 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:262- 13:01 11-25 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:263- 13:01 11-25 *** offhook_idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:264- 13:01 11-25 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:265- 13:01 11-25 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:266- 13:03 11-25 *** offhook_idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:267- 13:03 11-25 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:268- 13:03 11-25 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:269- 13:03 11-25 *** offhook_idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:270- 13:03 11-25 *** DEALLOCATE_VOICE_CHANNEL FAILURE - Connection ID Invalid.
-02:271- 13:03 11-25 *** Connection ID - '@03@5'
-02:272- 13:03 11-25 *** Voice Channel - 1-0x01.0x30 [2.16.1] [7.77.1] 1 0-0x00.0x00 1-0x04.0x4D [7.0.0] '@03X9'
-02:273- 13:03 11-25 *** offhook_idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:274- 13:03 11-25 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:275- 13:04 11-25 *** Voice channel already allocated. Disconnecting voice path and re-allocating.
-02:276- 13:04 11-25 *** Connection ID - '@03@#'
-02:277- 13:04 11-25 *** Voice Channel - 1-0x01.0x30 [2.16.1] [7.77.1] 1 0-0x00.0x00 1-0x04.0x4D [7.0.0] '@03X9'
-02:278- 13:04 11-25 M8027 SVR HW SS [7.0.0]: Illegal Data Byte Sent To Board: [C8,07,19,06,4D,4D]
-02:279- 13:04 11-25 M8027 SVR HW SS [7.0.0]: Illegal Data Byte Sent To Board: [C8,07,19,00,4D]

Yesterday
-02:294- 11:55 11-24 A032 ALARM '1026' Received Insufficient Bandwidth
-02:295- 11:55 11-24 A032 ALARM '1165' Received Insufficient Bandwidth
-02:296- 11:55 11-24 A032 ALARM '1194' Received Insufficient Bandwidth
-02:297- 11:55 11-24 A032 ALARM '1091' Received Insufficient Bandwidth
-02:298- 11:55 11-24 A032 ALARM '1196' Received Insufficient Bandwidth
-02:299- 11:55 11-24 A032 ALARM '1198' Received Insufficient Bandwidth
-02:300- 11:55 11-24 A032 ALARM '1224' Received Insufficient Bandwidth
-02:301- 11:55 11-24 A032 ALARM '1019' Received Insufficient Bandwidth
-02:302- 12:03 11-24 A001 ALARM Alarm Manually Cleared By '1262'
-02:303- 12:03 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:304- 12:03 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:305- 12:03 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:306- 12:03 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:307- 12:03 11-24 A001 ALARM Alarm Manually Cleared By '1262'
-02:308- 12:03 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:309- 12:03 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:310- 12:03 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:311- 12:03 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:312- 12:03 11-24 A001 ALARM Alarm Manually Cleared By '1262'
-02:313- 12:03 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:314- 12:03 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:315- 12:03 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:316- 12:03 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:317- 12:03 11-24 A001 ALARM Alarm Manually Cleared By '1262'
-02:318- 12:03 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:319- 12:03 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:320- 12:03 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:321- 12:03 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:322- 12:03 11-24 A001 ALARM Alarm Manually Cleared By '1262'
-02:323- 12:03 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:324- 12:03 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:325- 12:03 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:326- 12:03 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:327- 12:03 11-24 A001 ALARM Alarm Manually Cleared By '1262'
-02:328- 12:03 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:329- 12:03 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:330- 12:03 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:331- 12:03 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:332- 12:04 11-24 A001 ALARM Alarm Manually Cleared By '1262'
-02:333- 12:04 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:334- 12:04 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:335- 12:04 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:336- 12:04 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:337- 12:04 11-24 A001 ALARM Alarm Manually Cleared By '1262'
-02:338- 12:04 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:339- 12:04 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:340- 12:04 11-24 *** ui_keyset_t::present_idle returning UI_STATUS_FAILURE
-02:341- 12:04 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1262')
-02:342- 12:07 11-24 *** offhook_idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:343- 12:07 11-24 *** idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:344- 12:08 11-24 *** offhook_idle_sts_t::enter - voice channel resources are not idle for ID(2:'1019')
-02:345- 12:08 11-24 *** Voice channel already allocated. Disconnecting voice path and re-allocating.
-02:346- 12:08 11-24 *** Connection ID - '@0944'
-02:347- 12:08 11-24 *** Voice Channel - 1-0x01.0x23 [2.3.1] [7.63.1] 1 0-0x00.0x00 1-0x04.0x3F [7.0.0] '@0928'
-02:348- 12:08 11-24 M8027 SVR HW SS [7.0.0]: Illegal Data Byte Sent To Board: [C8,07,19,06,3F,3F]
-02:349- 12:08 11-24 M8027 SVR HW SS [7.0.0]: Illegal Data Byte Sent To Board: [C8,07,19,00,3F]

This concerns me as well
-02:350- 13:14 11-24 *** Voice channel already allocated. Disconnecting voice path and re-allocating.
-02:351- 13:14 11-24 *** Connection ID - '@099#'
-02:352- 13:14 11-24 *** Voice Channel - 1-0x01.0x9B [1.59.1] [7.55.1] 1 0-0x00.0x00 1-0x04.0x37 [7.0.0] '@0918'