Discovery Phase (Initial) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3959)
It's a Huawei 
Yep.
This confirms it's an ECI DSLAM:-
Discovery Phase (Initial) Band Plan
US: (0,95) (880,1195) (1984,2771)
DS: (32,859) (1216,1959) (2792,4083)
This is the band plan for a Huawei DSLAM:-
Discovery Phase (Initial) Band Plan
US: (0,95) (868,1207) (1972,2783)
DS: (32,859) (1216,1963) (2792,3959)
It seems there are now 'different' versions of Huawei DSLAMS in active service.
This is mine (connected in 2011):-
Discovery Phase (Initial) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)
The telnet command
xdslcmd info --vendor will also confirm the DSLAM details:-
xdslcmd info --vendor
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 0
Last initialization procedure status: 0
Max: Upstream rate = 5228 Kbps, Downstream rate = 21700 Kbps
Bearer: 0, Upstream rate = 4999 Kbps, Downstream rate = 22399 Kbps
Bearer: 1, Upstream rate = 0 Kbps, Downstream rate = 0 Kbps
ChipSet Vendor Id:
BDCM:0xa44f
ChipSet VersionNumber:
0xa44f
ChipSet SerialNumber:
Some of this information will be included in the next update to
HG612 Modem Stats - in the pbParams chart in the snapshot montage:-
Selected modem type = HG612
xdslcmd version 1.0
DSL PHY: AnnexA version - A2pv6C038m.d24j
software version: V100R001C01B030SP08
xdsl firmware version: A2pv6C038m.d24j
cpu version: BCM6368
cfe version: 1.0.37-102.6
=========================================================================================
DSLAM type: Broadcom (Huawei)
ChipSet Vendor Id: BDCM:0xa44f
ChipSet VersionNumber: 0xa44f