Version: v3 Serial Number: 9880409 Signature Algorithm: SHA256-RSA Issuer: Country: US Province: California Locality: City of Industry Organization: Grandstream Networks Organizational Unit: Software Engineering CommonName: VPN Email Address: xxu@grandstream.com Validity: Not Before: 2021-04-12 06:38 UTC Not After : 2046-04-06 06:38 UTC Subject: Country: US Province: California Locality: City of Industry Organization: Grandstream Networks, Inc. Organizational Unit: Software Engineering CommonName: C074AD4E7F52 Email Address: support@grandstream.com Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: 16:D7:75:49:16:8C:93:1C:EC:4E:A9:F4:4F:43:1C:7B:00:B1:ED:95 Subject Key Identifier: 3E:97:9B:31:9A:5E:F4:24:D9:E1:EC:91:0A:6E:0E:0E:31:97:98:0A Basic Constraints: CA : false Path Length Constraint: UNLIMITED Key Usage: Digital Signature Key Encipherment Certificate Signature Algorithm: SHA256-RSA Certificate Signature: 2C:2E:E6:F8:94:CC:A8:C3:E9:1A:EA:3F:B0:97:6B:3D: 7E:4D:B9:ED:C9:67:1D:A2:89:E4:8D:5C:F9:B3:BE:62: E6:8A:D0:B0:26:49:EC:A6:26:31:23:F7:07:40:E0:71: 5E:29:2F:ED:35:57:86:9C:9D:1F:89:93:CA:1F:6F:AE: EF:A6:46:4D:D9:C7:9D:87:F2:91:7D:8E:58:F6:55:AA: 80:71:40:D8:61:90:68:23:62:70:69:C0:0A:A0:A0:27: 0C:AE:6C:46:2A:C1:5F:D8:86:AA:74:8E:97:50:91:2A: A1:6E:23:2E:94:60:46:CA:76:8A:BD:97:55:C1:98:FC

Version: v3 Serial Number: 9880409 Signature Algorithm: SHA256-RSA Issuer: Country: US Province: California Locality: City of Industry Organization: Grandstream Networks Organizational Unit: Software Engineering CommonName: VPN Email Address: xxu@grandstream.com Validity: Not Before: 2021-04-12 06:38 UTC Not After : 2046-04-06 06:38 UTC Subject: Country: US Province: California Locality: City of Industry Organization: Grandstream Networks, Inc. Organizational Unit: Software Engineering CommonName: C074AD4E7F52 Email Address: support@grandstream.com Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: 16:D7:75:49:16:8C:93:1C:EC:4E:A9:F4:4F:43:1C:7B:00:B1:ED:95 Subject Key Identifier: 3E:97:9B:31:9A:5E:F4:24:D9:E1:EC:91:0A:6E:0E:0E:31:97:98:0A Basic Constraints: CA : false Path Length Constraint: UNLIMITED Key Usage: Digital Signature Key Encipherment Certificate Signature Algorithm: SHA256-RSA Certificate Signature: 2C:2E:E6:F8:94:CC:A8:C3:E9:1A:EA:3F:B0:97:6B:3D: 7E:4D:B9:ED:C9:67:1D:A2:89:E4:8D:5C:F9:B3:BE:62: E6:8A:D0:B0:26:49:EC:A6:26:31:23:F7:07:40:E0:71: 5E:29:2F:ED:35:57:86:9C:9D:1F:89:93:CA:1F:6F:AE: EF:A6:46:4D:D9:C7:9D:87:F2:91:7D:8E:58:F6:55:AA: 80:71:40:D8:61:90:68:23:62:70:69:C0:0A:A0:A0:27: 0C:AE:6C:46:2A:C1:5F:D8:86:AA:74:8E:97:50:91:2A: A1:6E:23:2E:94:60:46:CA:76:8A:BD:97:55:C1:98:FC

Version: v1 Serial Number: 12299207574653328811 Signature Algorithm: SHA1-RSA Issuer: Country: CH Province: HU Locality: WU Organization: FH Organizational Unit: SF CommonName: PON Email Address: PON@FIBERHOME.COM.CN Validity: Not Before: 2013-04-24 01:21 UTC Not After : 2023-04-22 01:21 UTC Subject: Country: CH Province: HU Locality: WU Organization: FH Organizational Unit: SF CommonName: PON Email Address: PON@FIBERHOME.COM.CN Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (1024 bits) : 98:DB:6F:8D:FF:92:27:52:19:A8:B6:05:3C:8E:1F:67: 41:DC:93:98:A6:30:14:92:A9:BC:C7:A4:F5:F2:4A:F2: B0:AC:AC:40:FB:CA:5F:A6:BD:43:EF:DF:2A:8B:C8:C8: 2F:BB:50:1C:32:66:04:CA:78:29:6F:0F:78:AE:77:76: 93:DD:70:89:11:94:19:44:AA:F2:64:D1:3C:5C:27:A6: 54:CF:23:C8:48:26:09:4C:B0:A7:2C:93:34:4F:F7:9D: 63:C6:C8:92:4B:57:8C:94:B7:04:77:D8:8C:51:CA:63: 51:B8:16:CF:12:87:D1:F1:65:44:3E:5D:F2:36:0F:B7 Certificate Signature Algorithm: SHA1-RSA Certificate Signature: 09:92:5E:A4:45:37:EA:1D:CF:31:CD:0E:D7:90:68:EF: 39:01:5A:6D:9D:0F:44:5B:4E:B2:5E:64:5E:7A:D5:57: 31:96:9B:84:D8:60:E2:AC:D0:97:01:B6:73:51:EF:F1: F9:F0:D0:04:43:3C:92:AA:45:61:C5:4C:3F:36:41:51: D1:70:BB:54:08:63:40:E8:B6:D5:D5:70:51:4D:A0:A4: B9:E0:62:FD:2C:43:1A:4B:A9:7A:47:F0:F9:1B:C6:C2: CB:F4:45:DE:46:70:CC:4D:9C:7E:56:7B:C7:BF:33:76: 94:29:CF:30:DC:38:3E:35:E5:E9:39:CE:46:9D:86:ED