endpointman cant find phones

i am using

https://github.com/FreePBX-ContributedModules/endpointman

Afret pressing searhc button i got reply — no devises  found

but if i use command in cli

[root@freepbx ~]# nmap -sn 192.168.1.0/24

Starting Nmap 6.40 ( http://nmap.org ) at 2019-01-16 13:54 UTC
Nmap scan report for router.lan (192.168.1.1)
Host is up (0.039s latency).
MAC Address: D4:CA:6D:78:D2:BA (Routerboard.com)
Nmap scan report for 192.168.1.2
Host is up (0.00059s latency).
MAC Address: F2:9A:46:45:A8:15 (Unknown)
Nmap scan report for 192.168.1.50
Host is up (0.047s latency).
MAC Address: 00:24:81:15:92:D7 (Hewlett-Packard Company)
Nmap scan report for 192.168.1.51
Host is up (0.11s latency).
MAC Address: 28:6C:07:74:92:74 (Unknown)
Nmap scan report for 192.168.1.52
Host is up (0.040s latency).
MAC Address: 00:0E:08:D2:C3:0C (Cisco Linksys)
Nmap scan report for 192.168.1.53
Host is up (0.041s latency).
MAC Address: 00:0B:82:5E:59:CB (Grandstream Networks)
Nmap scan report for 192.168.1.54
Host is up (0.040s latency).
MAC Address: 00:0B:82:5E:4E:BA (Grandstream Networks)
Nmap scan report for 192.168.1.55
Host is up (0.041s latency).
MAC Address: 00:0E:08:3A:C4:5C (Cisco Linksys)
Nmap scan report for 192.168.1.57
Host is up (0.041s latency).
MAC Address: 00:15:65:50:5E:95 (Xiamen Yealink Network Technology Co.)
Nmap scan report for 192.168.1.58
Host is up (0.041s latency).
MAC Address: 00:0B:82:5E:58:1D (Grandstream Networks)
Nmap scan report for 192.168.1.62
Host is up (0.095s latency).
MAC Address: 74:C6:3B:0E:A0:12 (Unknown)
Nmap scan report for 192.168.1.66
Host is up (0.0012s latency).
MAC Address: 2E:20:F6:A9:D4:14 (Unknown)
Nmap scan report for 192.168.1.67
Host is up (0.056s latency).
MAC Address: 84:C7:EA:6D:B8:68 (Unknown)
Nmap scan report for 192.168.1.79
Host is up (0.0010s latency).
MAC Address: B2:DF:FC:27:C2:F5 (Unknown)
Nmap scan report for 192.168.1.86
Host is up (0.051s latency).
MAC Address: 3C:BD:D8:EA:A6:16 (LG Electronics)
Nmap scan report for 192.168.1.94
Host is up (0.054s latency).
MAC Address: A0:1D:48:DC:9F:17 (Unknown)
Nmap scan report for 192.168.1.114
Host is up (0.12s latency).
MAC Address: 48:59:29:C2:0F:04 (Unknown)
Nmap scan report for 192.168.1.127
Host is up (0.051s latency).
MAC Address: 54:EE:75:C5:19:10 (Unknown)
Nmap scan report for 192.168.1.129
Host is up (0.051s latency).
MAC Address: 50:E5:49:8A:AC:18 (Giga-byte Technology Co.)
Nmap scan report for bareos-dir (192.168.1.131)
Host is up (0.051s latency).
MAC Address: 00:13:D3:63:47:DE (Micro-star International CO.)
Nmap scan report for 192.168.1.140
Host is up (0.045s latency).
MAC Address: 54:EE:75:C5:19:10 (Unknown)
Nmap scan report for 192.168.1.143
Host is up (0.045s latency).
MAC Address: C8:5B:76:A3:4E:19 (Unknown)
Nmap scan report for jira.asterisk.biz.ua (192.168.1.147)
Host is up (0.00044s latency).
MAC Address: F2:56:51:28:60:67 (Unknown)
Nmap scan report for 192.168.1.130
Host is up.
Nmap done: 256 IP addresses (24 hosts up) scanned in 1.88 seconds

There are  Phones