DVR VOYAGER ACESSO EXTERNO

Bom dia, Estou instalando em um cliente um DVR Voyager 04 cameras e nao consigo acessar exteranmente mais localmente acesso instalei o programa e funcionou tudo perfeitamente na internet e no NVClient, mais externamente nao vai. Utilizo o roteador + modem dlink e fiz todas as configuracoes corretamente utilizei o programa Zenmap e ele me mostra as portas que solicitei abertas. O ip que estou usando e o 192.168.0.15 As portas que abr foram quatros 8200, 2012, 6000 e 15961. porta local, porta web, porta do NVClient e porta para acesso movel. Abaixo segue o que o programa Zenmap me passou, espero que possam me ajudar nao sei se estou postando no local correto mais se nao for peco que me avisem para que eu post no local correto. Starting Nmap 6.00 ( http://nmap.org ) at 2012-07-26 06:08 Hora oficial do Brasil NSE: Loaded 93 scripts for scanning. NSE: Script Pre-scanning. Initiating ARP Ping Scan at 06:08 Scanning 192.168.0.15 [1 port] Completed ARP Ping Scan at 06:08, 0.05s elapsed (1 total hosts) Initiating Parallel DNS resolution of 1 host. at 06:08 Completed Parallel DNS resolution of 1 host. at 06:08, 0.11s elapsed Initiating SYN Stealth Scan at 06:08 Scanning 192.168.0.15 [1000 ports] Discovered open port 8200/tcp on 192.168.0.15 Discovered open port 88/tcp on 192.168.0.15 Completed SYN Stealth Scan at 06:08, 0.26s elapsed (1000 total ports) Initiating Service scan at 06:08 Scanning 2 services on 192.168.0.15 Service scan Timing: About 50.00% done; ETC: 06:12 (0:01:59 remaining) Completed Service scan at 06:10, 120.20s elapsed (2 services on 1 host) Initiating OS detection (try #1) against 192.168.0.15 NSE: Script scanning 192.168.0.15. Initiating NSE at 06:10 Completed NSE at 06:10, 0.00s elapsed Nmap scan report for 192.168.0.15 Host is up (0.022s latency). Not shown: 998 closed ports PORT STATE SERVICE VERSION 88/tcp open kerberos-sec? 8200/tcp open trivnet1?