msr810路由器就是拨不上号是什么原因

Cellular1/0: Modem State: Hardware Information: Model: U9300C Manufacturer: LONGSUNG Modem Firmware Version: QB30001.1.8_MX10(0016_1.4.1_L0122) International Mobile Equipment Identity (IMEI): 863284047096363 International Mobile Subscriber Identity (IMSI): 460113364920259 Mobile Equipment Identifier (MEID): 99001289695976 Hardware Version: 10000 Factory Serial Number (FSN): 60000055G18189CG06500 Modem Status: Online Modem Status: IPv4 Unknown. Modem Status: IPv6 Unknown. Profile Information: Profile index: 1 PDP Type: IPv4v6 Header Compression: Off Data Compression: Off Access Point Name (APN): ynsyzgs001.vpdn.yn Authentication: PAP Username: kmlsby1@ynsyzgs001.vpdn.yn * - Default profile Profile index: 2 PDP Type: IPv4v6 Header Compression: Off Data Compression: Off Access Point Name (APN): ctwap Authentication: NONE Network Information: Current Service Status: Limited Registration Status: Denied Current Roaming Status: Roaming Current Data Bearer Technology: Unknown Network Selection Mode: Automatic Current IP address Mode: Cellular-alloc Current IPV6 address Mode: Unknown Mobile Country Code (MCC): 460 Mobile Network Code (MNC): 01 Location Area Code (LAC): 65534 Cell ID: 192139286 Radio Information: Technology Preference: No preference specified (AUTO) Technology Selected: LTE Configured LTE Band: 1,3,5,8,38,39,40,41 LTE related info: Current RSSI: -67 dBm Current RSRQ: -12 dB Current RSRP: -92 dBm Current SNR: 0 dB Tx Power: Invalid Active Band: E-UTRA Operating Band 1 Modem Security Information: PIN Verification: Disabled PIN Status: PIN Requirement Disabled Number of PIN Retries Remaining: 3 Number of PUK Retries Remaining: 10 SIM Status: OK ICCID: 89861123200032114933 Error Information: IPv4 dialing fail