error on installation d115 driver on freepbx sng7

[root@freepbx opt]# cd dahdi-linux-complete-3.1.0+3.1.0/
[root@freepbx dahdi-linux-complete-3.1.0+3.1.0]# ls
ChangeLog  linux  Makefile  README  tools
[root@freepbx dahdi-linux-complete-3.1.0+3.1.0]# make all
make -C linux all
make[1]: Entering directory `/opt/dahdi-linux-complete-3.1.0+3.1.0/linux'
make -C drivers/dahdi/firmware firmware-loaders
make[2]: Entering directory `/opt/dahdi-linux-complete-3.1.0+3.1.0/linux/drivers/dahdi/firmware'
make[2]: Leaving directory `/opt/dahdi-linux-complete-3.1.0+3.1.0/linux/drivers/dahdi/firmware'
You do not appear to have the sources for the 3.10.0-1127.19.1.el7.x86_64 kernel installed.
make[1]: *** [modules] Error 1
make[1]: Leaving directory `/opt/dahdi-linux-complete-3.1.0+3.1.0/linux'
make: *** [all] Error 2
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PBX Version:15.0.17.34
PBX Distro:12.7.8-2104-1.sng7
Asterisk Version:16.17.0

[root@freepbx ~]# cat /etc/redhat-release
Sangoma Linux release 7.8.2003 (Core)
[root@freepbx ~]#
[root@freepbx ~]# cat /etc/schmooze/pbx-version
12.7.8-2104-1.sng7
[root@freepbx ~]# uname -r
3.10.0-1127.19.1.el7.x86_64
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[root@freepbx ~]# rpm -qa | grep libpri
libpri-1.6.0-1.sng.x86_64
[root@freepbx ~]#
[root@freepbx ~]# modprobe opvxd115
modprobe: FATAL: Module opvxd115 not found.
[root@freepbx ~]# lsmod | grep dahdi
dahdi_transcode        14291  1 wctc4xxp
dahdi_voicebus         59241  2 wctdm24xxp,wcte12xp
dahdi                 228088  18 xpp,r1t1,rxt1,wctdm24xxp,rcbfx,wcaxx,wcfxo,wctdm,dahdi_transcode,oct612x,dahdi_voicebus,wcb4xxp,wct1xxp,wct4xxp,wcte43x,wcte11xp,wcte12xp,wcte13xp
crc_ccitt              12707  2 wctdm24xxp,dahdi

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[root@freepbx ~]# dahdi_hardware
pci:0000:0e:00.0     opvxd115-    1b74:d130 OpenVox D130P/D130E
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0e:00.0 Network controller: OpenVox Communication Co. Ltd. D130P/D130E Single-port E1/T1 card (3rd GEN) (rev 15)
        Subsystem: Device 0005:0000
        Control: I/O- Mem- BusMaster- SpecCycle- MemWINV+ VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx-
        Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Interrupt: pin A routed to IRQ 255
        NUMA node: 0
        Region 0: Memory at 92e00000 (32-bit, non-prefetchable) [disabled] [size=32K]
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[root@freepbx ~]# dahdi_cfg -v
DAHDI Tools Version - 2.11.1

DAHDI Version: 2.11.1
Echo Canceller(s):
Configuration
======================


0 channels to configure.

[root@freepbx ~]#
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